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1NEWS
2====
3
4This file gives a brief overview of the major changes between each OpenSSL
5release. For more details please read the CHANGES file.
6
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7OpenSSL Releases
8----------------
9
27272657 10 - [OpenSSL 3.1](#openssl-31)
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11 - [OpenSSL 3.0](#openssl-30)
12 - [OpenSSL 1.1.1](#openssl-111)
13 - [OpenSSL 1.1.0](#openssl-110)
14 - [OpenSSL 1.0.2](#openssl-102)
15 - [OpenSSL 1.0.1](#openssl-101)
16 - [OpenSSL 1.0.0](#openssl-100)
17 - [OpenSSL 0.9.x](#openssl-09x)
18
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19OpenSSL 3.1
20-----------
21
22### Major changes between OpenSSL 3.0 and OpenSSL 3.1 [under development]
23
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24 * Subject or issuer names in X.509 objects are now displayed as UTF-8 strings
25 by default.
27272657 26
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27OpenSSL 3.0
28-----------
29
537976de 30### Major changes between OpenSSL 1.1.1 and OpenSSL 3.0
4477beac 31
e567367a 32 * Enhanced 'openssl list' with many new options.
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33 * Added migration guide to man7.
34 * Implemented support for fully "pluggable" TLSv1.3 groups.
35 * Added suport for Kernel TLS (KTLS).
18fdebf1 36 * Changed the license to the Apache License v2.0.
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37 * Moved all variations of the EVP ciphers CAST5, BF, IDEA, SEED, RC2,
38 RC4, RC5, and DES to the legacy provider.
39 * Moved the EVP digests MD2, MD4, MDC2, WHIRLPOOL and RIPEMD-160 to the legacy
40 provider.
f9253152 41 * Added convenience functions for generating asymmetric key pairs.
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42 * Deprecated the `OCSP_REQ_CTX` type and functions.
43 * Deprecated the `EC_KEY` and `EC_KEY_METHOD` types and functions.
44 * Deprecated the `RSA` and `RSA_METHOD` types and functions.
45 * Deprecated the `DSA` and `DSA_METHOD` types and functions.
46 * Deprecated the `DH` and `DH_METHOD` types and functions.
f5a46ed7 47 * Deprecated the `ERR_load_` functions.
7d615e21 48 * Remove the `RAND_DRBG` API.
8dab4de5 49 * Deprecated the `ENGINE` API.
b4250010 50 * Added `OSSL_LIB_CTX`, a libcrypto library context.
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51 * Added various `_ex` functions to the OpenSSL API that support using
52 a non-default `OSSL_LIB_CTX`.
eca47139 53 * Interactive mode is removed from the 'openssl' program.
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54 * The X25519, X448, Ed25519, Ed448, SHAKE128 and SHAKE256 algorithms are
55 included in the FIPS provider.
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56 * X509 certificates signed using SHA1 are no longer allowed at security
57 level 1 or higher. The default security level for TLS is 1, so
58 certificates signed using SHA1 are by default no longer trusted to
59 authenticate servers or clients.
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60 * enable-crypto-mdebug and enable-crypto-mdebug-backtrace were mostly
61 disabled; the project uses address sanitize/leak-detect instead.
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62 * Added a Certificate Management Protocol (CMP, RFC 4210) implementation
63 also covering CRMF (RFC 4211) and HTTP transfer (RFC 6712).
8d9a4d83 64 It is part of the crypto lib and adds a 'cmp' app with a demo configuration.
e7774c28 65 All widely used CMP features are supported for both clients and servers.
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66 * Added a proper HTTP client supporting GET with optional redirection, POST,
67 arbitrary request and response content types, TLS, persistent connections,
68 connections via HTTP(s) proxies, connections and exchange via user-defined
69 BIOs (allowing implicit connections), and timeout checks.
16c6534b 70 * Added util/check-format.pl for checking adherence to the coding guidelines.
ece9304c 71 * Added OSSL_ENCODER, a generic encoder API.
02649104 72 * Added OSSL_DECODER, a generic decoder API.
be19d3ca 73 * Added OSSL_PARAM_BLD, an easier to use API to OSSL_PARAM.
5f8e6c50 74 * Added error raising macros, ERR_raise() and ERR_raise_data().
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75 * Deprecated ERR_put_error(), ERR_get_error_line(), ERR_get_error_line_data(),
76 ERR_peek_error_line_data(), ERR_peek_last_error_line_data() and
77 ERR_func_error_string().
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78 * Added OSSL_PROVIDER_available(), to check provider availibility.
79 * Added 'openssl mac' that uses the EVP_MAC API.
80 * Added 'openssl kdf' that uses the EVP_KDF API.
81 * Add OPENSSL_info() and 'openssl info' to get built-in data.
82 * Add support for enabling instrumentation through trace and debug
83 output.
84 * Changed our version number scheme and set the next major release to
85 3.0.0
86 * Added EVP_MAC, an EVP layer MAC API, and a generic EVP_PKEY to EVP_MAC
42cf25fc 87 bridge. Supported MACs are: BLAKE2, CMAC, GMAC, HMAC, KMAC, POLY1305
8b29bada 88 and SIPHASH.
5f8e6c50 89 * Removed the heartbeat message in DTLS feature.
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90 * Added EVP_KDF, an EVP layer KDF and PRF API, and a generic EVP_PKEY to
91 EVP_KDF bridge. Supported KDFs are: HKDF, KBKDF, KRB5 KDF, PBKDF2,
92 PKCS12 KDF, SCRYPT, SSH KDF, SSKDF, TLS1 PRF, X9.42 KDF and X9.63 KDF.
8c1cbc72 93 * All of the low-level MD2, MD4, MD5, MDC2, RIPEMD160, SHA1, SHA224,
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94 SHA256, SHA384, SHA512 and Whirlpool digest functions have been
95 deprecated.
8c1cbc72 96 * All of the low-level AES, Blowfish, Camellia, CAST, DES, IDEA, RC2,
4477beac 97 RC4, RC5 and SEED cipher functions have been deprecated.
8c1cbc72 98 * All of the low-level DH, DSA, ECDH, ECDSA and RSA public key functions
4477beac 99 have been deprecated.
aba03ae5 100 * SSL 3, TLS 1.0, TLS 1.1, and DTLS 1.0 only work at security level 0.
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101 * Added providers, a new pluggability concept that will replace the
102 ENGINE API and ENGINE implementations.
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103
104OpenSSL 1.1.1
105-------------
106
796f4f70 107### Major changes between OpenSSL 1.1.1k and OpenSSL 1.1.1l [24 Aug 2021]
fdd43643 108
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109 * Fixed an SM2 Decryption Buffer Overflow ([CVE-2021-3711])
110 * Fixed various read buffer overruns processing ASN.1 strings ([CVE-2021-3712])
111
112### Major changes between OpenSSL 1.1.1j and OpenSSL 1.1.1k [25 Mar 2021]
c913dbd7 113
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114 * Fixed a problem with verifying a certificate chain when using the
115 X509_V_FLAG_X509_STRICT flag ([CVE-2021-3450])
116 * Fixed an issue where an OpenSSL TLS server may crash if sent a maliciously
117 crafted renegotiation ClientHello message from a client ([CVE-2021-3449])
118
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119### Major changes between OpenSSL 1.1.1i and OpenSSL 1.1.1j [16 Feb 2021]
120
121 * Fixed a NULL pointer deref in the X509_issuer_and_serial_hash()
122 function ([CVE-2021-23841])
123 * Fixed the RSA_padding_check_SSLv23() function and the RSA_SSLV23_PADDING
124 padding mode to correctly check for rollback attacks
125 * Fixed an overflow in the EVP_CipherUpdate, EVP_EncryptUpdate and
126 EVP_DecryptUpdate functions ([CVE-2021-23840])
127 * Fixed SRP_Calc_client_key so that it runs in constant time
128
129### Major changes between OpenSSL 1.1.1h and OpenSSL 1.1.1i [8 Dec 2020]
8658fedd 130
1e13198f 131 * Fixed NULL pointer deref in GENERAL_NAME_cmp ([CVE-2020-1971])
8658fedd 132
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133### Major changes between OpenSSL 1.1.1g and OpenSSL 1.1.1h [22 Sep 2020]
134
135 * Disallow explicit curve parameters in verifications chains when
136 X509_V_FLAG_X509_STRICT is used
137 * Enable 'MinProtocol' and 'MaxProtocol' to configure both TLS and DTLS
138 contexts
139 * Oracle Developer Studio will start reporting deprecation warnings
140
141### Major changes between OpenSSL 1.1.1f and OpenSSL 1.1.1g [21 Apr 2020]
142
d8dc8538 143 * Fixed segmentation fault in SSL_check_chain() ([CVE-2020-1967])
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144
145### Major changes between OpenSSL 1.1.1e and OpenSSL 1.1.1f [31 Mar 2020]
146
147 * Revert the unexpected EOF reporting via SSL_ERROR_SSL
148
257e9d03 149### Major changes between OpenSSL 1.1.1d and OpenSSL 1.1.1e [17 Mar 2020]
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150
151 * Fixed an overflow bug in the x64_64 Montgomery squaring procedure
d8dc8538 152 used in exponentiation with 512-bit moduli ([CVE-2019-1551])
8658fedd 153
257e9d03 154### Major changes between OpenSSL 1.1.1c and OpenSSL 1.1.1d [10 Sep 2019]
4477beac 155
d8dc8538 156 * Fixed a fork protection issue ([CVE-2019-1549])
4477beac 157 * Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey
d8dc8538 158 ([CVE-2019-1563])
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159 * For built-in EC curves, ensure an EC_GROUP built from the curve name is
160 used even when parsing explicit parameters
161 * Compute ECC cofactors if not provided during EC_GROUP construction
d8dc8538 162 ([CVE-2019-1547])
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163 * Early start up entropy quality from the DEVRANDOM seed source has been
164 improved for older Linux systems
165 * Correct the extended master secret constant on EBCDIC systems
d8dc8538 166 * Use Windows installation paths in the mingw builds ([CVE-2019-1552])
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167 * Changed DH_check to accept parameters with order q and 2q subgroups
168 * Significantly reduce secure memory usage by the randomness pools
169 * Revert the DEVRANDOM_WAIT feature for Linux systems
170
257e9d03 171### Major changes between OpenSSL 1.1.1b and OpenSSL 1.1.1c [28 May 2019]
4477beac 172
d8dc8538 173 * Prevent over long nonces in ChaCha20-Poly1305 ([CVE-2019-1543])
4477beac 174
257e9d03 175### Major changes between OpenSSL 1.1.1a and OpenSSL 1.1.1b [26 Feb 2019]
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176
177 * Change the info callback signals for the start and end of a post-handshake
178 message exchange in TLSv1.3.
179 * Fix a bug in DTLS over SCTP. This breaks interoperability with older
180 versions of OpenSSL like OpenSSL 1.1.0 and OpenSSL 1.0.2.
5f8e6c50 181
257e9d03 182### Major changes between OpenSSL 1.1.1 and OpenSSL 1.1.1a [20 Nov 2018]
5f8e6c50 183
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184 * Timing vulnerability in DSA signature generation ([CVE-2018-0734])
185 * Timing vulnerability in ECDSA signature generation ([CVE-2018-0735])
5f8e6c50 186
257e9d03 187### Major changes between OpenSSL 1.1.0i and OpenSSL 1.1.1 [11 Sep 2018]
5f8e6c50 188
4477beac 189 * Support for TLSv1.3 added. The TLSv1.3 implementation includes:
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190 * Fully compliant implementation of RFC8446 (TLSv1.3) on by default
191 * Early data (0-RTT)
192 * Post-handshake authentication and key update
193 * Middlebox Compatibility Mode
194 * TLSv1.3 PSKs
195 * Support for all five RFC8446 ciphersuites
196 * RSA-PSS signature algorithms (backported to TLSv1.2)
197 * Configurable session ticket support
198 * Stateless server support
199 * Rewrite of the packet construction code for "safer" packet handling
200 * Rewrite of the extension handling code
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201 For further important information, see the [TLS1.3 page](
202 https://wiki.openssl.org/index.php/TLS1.3) in the OpenSSL Wiki.
203
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204 * Complete rewrite of the OpenSSL random number generator to introduce the
205 following capabilities
206 * The default RAND method now utilizes an AES-CTR DRBG according to
207 NIST standard SP 800-90Ar1.
208 * Support for multiple DRBG instances with seed chaining.
209 * There is a public and private DRBG instance.
210 * The DRBG instances are fork-safe.
211 * Keep all global DRBG instances on the secure heap if it is enabled.
212 * The public and private DRBG instance are per thread for lock free
213 operation
214 * Support for various new cryptographic algorithms including:
215 * SHA3
216 * SHA512/224 and SHA512/256
217 * EdDSA (both Ed25519 and Ed448) including X509 and TLS support
218 * X448 (adding to the existing X25519 support in 1.1.0)
219 * Multi-prime RSA
220 * SM2
221 * SM3
222 * SM4
223 * SipHash
224 * ARIA (including TLS support)
225 * Significant Side-Channel attack security improvements
226 * Add a new ClientHello callback to provide the ability to adjust the SSL
227 object at an early stage.
228 * Add 'Maximum Fragment Length' TLS extension negotiation and support
229 * A new STORE module, which implements a uniform and URI based reader of
230 stores that can contain keys, certificates, CRLs and numerous other
231 objects.
232 * Move the display of configuration data to configdata.pm.
233 * Allow GNU style "make variables" to be used with Configure.
234 * Claim the namespaces OSSL and OPENSSL, represented as symbol prefixes
235 * Rewrite of devcrypto engine
236
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237OpenSSL 1.1.0
238-------------
239
257e9d03 240### Major changes between OpenSSL 1.1.0k and OpenSSL 1.1.0l [10 Sep 2019]
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241
242 * Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey
d8dc8538 243 ([CVE-2019-1563])
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244 * For built-in EC curves, ensure an EC_GROUP built from the curve name is
245 used even when parsing explicit parameters
246 * Compute ECC cofactors if not provided during EC_GROUP construction
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247 ([CVE-2019-1547])
248 * Use Windows installation paths in the mingw builds ([CVE-2019-1552])
4477beac 249
257e9d03 250### Major changes between OpenSSL 1.1.0j and OpenSSL 1.1.0k [28 May 2019]
4477beac 251
d8dc8538 252 * Prevent over long nonces in ChaCha20-Poly1305 ([CVE-2019-1543])
4477beac 253
257e9d03 254### Major changes between OpenSSL 1.1.0i and OpenSSL 1.1.0j [20 Nov 2018]
4477beac 255
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256 * Timing vulnerability in DSA signature generation ([CVE-2018-0734])
257 * Timing vulnerability in ECDSA signature generation ([CVE-2018-0735])
4477beac 258
257e9d03 259### Major changes between OpenSSL 1.1.0h and OpenSSL 1.1.0i [14 Aug 2018]
5f8e6c50 260
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261 * Client DoS due to large DH parameter ([CVE-2018-0732])
262 * Cache timing vulnerability in RSA Key Generation ([CVE-2018-0737])
4477beac 263
257e9d03 264### Major changes between OpenSSL 1.1.0g and OpenSSL 1.1.0h [27 Mar 2018]
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265
266 * Constructed ASN.1 types with a recursive definition could exceed the
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267 stack ([CVE-2018-0739])
268 * Incorrect CRYPTO_memcmp on HP-UX PA-RISC ([CVE-2018-0733])
269 * rsaz_1024_mul_avx2 overflow bug on x86_64 ([CVE-2017-3738])
5f8e6c50 270
257e9d03 271### Major changes between OpenSSL 1.1.0f and OpenSSL 1.1.0g [2 Nov 2017]
5f8e6c50 272
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273 * bn_sqrx8x_internal carry bug on x86_64 ([CVE-2017-3736])
274 * Malformed X.509 IPAddressFamily could cause OOB read ([CVE-2017-3735])
5f8e6c50 275
257e9d03 276### Major changes between OpenSSL 1.1.0e and OpenSSL 1.1.0f [25 May 2017]
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277
278 * config now recognises 64-bit mingw and chooses mingw64 instead of mingw
279
257e9d03 280### Major changes between OpenSSL 1.1.0d and OpenSSL 1.1.0e [16 Feb 2017]
5f8e6c50 281
d8dc8538 282 * Encrypt-Then-Mac renegotiation crash ([CVE-2017-3733])
5f8e6c50 283
257e9d03 284### Major changes between OpenSSL 1.1.0c and OpenSSL 1.1.0d [26 Jan 2017]
5f8e6c50 285
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286 * Truncated packet could crash via OOB read ([CVE-2017-3731])
287 * Bad (EC)DHE parameters cause a client crash ([CVE-2017-3730])
288 * BN_mod_exp may produce incorrect results on x86_64 ([CVE-2017-3732])
5f8e6c50 289
257e9d03 290### Major changes between OpenSSL 1.1.0b and OpenSSL 1.1.0c [10 Nov 2016]
5f8e6c50 291
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292 * ChaCha20/Poly1305 heap-buffer-overflow ([CVE-2016-7054])
293 * CMS Null dereference ([CVE-2016-7053])
294 * Montgomery multiplication may produce incorrect results ([CVE-2016-7055])
5f8e6c50 295
257e9d03 296### Major changes between OpenSSL 1.1.0a and OpenSSL 1.1.0b [26 Sep 2016]
5f8e6c50 297
d8dc8538 298 * Fix Use After Free for large message sizes ([CVE-2016-6309])
5f8e6c50 299
257e9d03 300### Major changes between OpenSSL 1.1.0 and OpenSSL 1.1.0a [22 Sep 2016]
5f8e6c50 301
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302 * OCSP Status Request extension unbounded memory growth ([CVE-2016-6304])
303 * SSL_peek() hang on empty record ([CVE-2016-6305])
5f8e6c50 304 * Excessive allocation of memory in tls_get_message_header()
d8dc8538 305 ([CVE-2016-6307])
5f8e6c50 306 * Excessive allocation of memory in dtls1_preprocess_fragment()
d8dc8538 307 ([CVE-2016-6308])
5f8e6c50 308
257e9d03 309### Major changes between OpenSSL 1.0.2h and OpenSSL 1.1.0 [25 Aug 2016]
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310
311 * Copyright text was shrunk to a boilerplate that points to the license
312 * "shared" builds are now the default when possible
313 * Added support for "pipelining"
314 * Added the AFALG engine
315 * New threading API implemented
316 * Support for ChaCha20 and Poly1305 added to libcrypto and libssl
317 * Support for extended master secret
318 * CCM ciphersuites
319 * Reworked test suite, now based on perl, Test::Harness and Test::More
320 * *Most* libcrypto and libssl public structures were made opaque,
321 including:
322 BIGNUM and associated types, EC_KEY and EC_KEY_METHOD,
323 DH and DH_METHOD, DSA and DSA_METHOD, RSA and RSA_METHOD,
324 BIO and BIO_METHOD, EVP_MD_CTX, EVP_MD, EVP_CIPHER_CTX,
325 EVP_CIPHER, EVP_PKEY and associated types, HMAC_CTX,
326 X509, X509_CRL, X509_OBJECT, X509_STORE_CTX, X509_STORE,
327 X509_LOOKUP, X509_LOOKUP_METHOD
328 * libssl internal structures made opaque
329 * SSLv2 support removed
330 * Kerberos ciphersuite support removed
331 * RC4 removed from DEFAULT ciphersuites in libssl
332 * 40 and 56 bit cipher support removed from libssl
333 * All public header files moved to include/openssl, no more symlinking
334 * SSL/TLS state machine, version negotiation and record layer rewritten
335 * EC revision: now operations use new EC_KEY_METHOD.
336 * Support for OCB mode added to libcrypto
337 * Support for asynchronous crypto operations added to libcrypto and libssl
338 * Deprecated interfaces can now be disabled at build time either
339 relative to the latest release via the "no-deprecated" Configure
340 argument, or via the "--api=1.1.0|1.0.0|0.9.8" option.
341 * Application software can be compiled with -DOPENSSL_API_COMPAT=version
342 to ensure that features deprecated in that version are not exposed.
343 * Support for RFC6698/RFC7671 DANE TLSA peer authentication
344 * Change of Configure to use --prefix as the main installation
345 directory location rather than --openssldir. The latter becomes
346 the directory for certs, private key and openssl.cnf exclusively.
347 * Reworked BIO networking library, with full support for IPv6.
348 * New "unified" build system
349 * New security levels
350 * Support for scrypt algorithm
351 * Support for X25519
352 * Extended SSL_CONF support using configuration files
353 * KDF algorithm support. Implement TLS PRF as a KDF.
354 * Support for Certificate Transparency
355 * HKDF support.
356
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357OpenSSL 1.0.2
358-------------
359
257e9d03 360### Major changes between OpenSSL 1.0.2s and OpenSSL 1.0.2t [10 Sep 2019]
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361
362 * Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey
d8dc8538 363 ([CVE-2019-1563])
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364 * For built-in EC curves, ensure an EC_GROUP built from the curve name is
365 used even when parsing explicit parameters
366 * Compute ECC cofactors if not provided during EC_GROUP construction
d8dc8538 367 ([CVE-2019-1547])
4477beac 368 * Document issue with installation paths in diverse Windows builds
d8dc8538 369 ([CVE-2019-1552])
4477beac 370
257e9d03 371### Major changes between OpenSSL 1.0.2r and OpenSSL 1.0.2s [28 May 2019]
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372
373 * None
374
257e9d03 375### Major changes between OpenSSL 1.0.2q and OpenSSL 1.0.2r [26 Feb 2019]
4477beac 376
d8dc8538 377 * 0-byte record padding oracle ([CVE-2019-1559])
4477beac 378
257e9d03 379### Major changes between OpenSSL 1.0.2p and OpenSSL 1.0.2q [20 Nov 2018]
4477beac 380
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381 * Microarchitecture timing vulnerability in ECC scalar multiplication ([CVE-2018-5407])
382 * Timing vulnerability in DSA signature generation ([CVE-2018-0734])
4477beac 383
257e9d03 384### Major changes between OpenSSL 1.0.2o and OpenSSL 1.0.2p [14 Aug 2018]
4477beac 385
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386 * Client DoS due to large DH parameter ([CVE-2018-0732])
387 * Cache timing vulnerability in RSA Key Generation ([CVE-2018-0737])
4477beac 388
257e9d03 389### Major changes between OpenSSL 1.0.2n and OpenSSL 1.0.2o [27 Mar 2018]
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390
391 * Constructed ASN.1 types with a recursive definition could exceed the
d8dc8538 392 stack ([CVE-2018-0739])
4477beac 393
257e9d03 394### Major changes between OpenSSL 1.0.2m and OpenSSL 1.0.2n [7 Dec 2017]
4477beac 395
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396 * Read/write after SSL object in error state ([CVE-2017-3737])
397 * rsaz_1024_mul_avx2 overflow bug on x86_64 ([CVE-2017-3738])
4477beac 398
257e9d03 399### Major changes between OpenSSL 1.0.2l and OpenSSL 1.0.2m [2 Nov 2017]
4477beac 400
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401 * bn_sqrx8x_internal carry bug on x86_64 ([CVE-2017-3736])
402 * Malformed X.509 IPAddressFamily could cause OOB read ([CVE-2017-3735])
4477beac 403
257e9d03 404### Major changes between OpenSSL 1.0.2k and OpenSSL 1.0.2l [25 May 2017]
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405
406 * config now recognises 64-bit mingw and chooses mingw64 instead of mingw
407
257e9d03 408### Major changes between OpenSSL 1.0.2j and OpenSSL 1.0.2k [26 Jan 2017]
4477beac 409
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410 * Truncated packet could crash via OOB read ([CVE-2017-3731])
411 * BN_mod_exp may produce incorrect results on x86_64 ([CVE-2017-3732])
412 * Montgomery multiplication may produce incorrect results ([CVE-2016-7055])
4477beac 413
257e9d03 414### Major changes between OpenSSL 1.0.2i and OpenSSL 1.0.2j [26 Sep 2016]
4477beac 415
d8dc8538 416 * Missing CRL sanity check ([CVE-2016-7052])
4477beac 417
257e9d03 418### Major changes between OpenSSL 1.0.2h and OpenSSL 1.0.2i [22 Sep 2016]
4477beac 419
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420 * OCSP Status Request extension unbounded memory growth ([CVE-2016-6304])
421 * SWEET32 Mitigation ([CVE-2016-2183])
422 * OOB write in MDC2_Update() ([CVE-2016-6303])
423 * Malformed SHA512 ticket DoS ([CVE-2016-6302])
424 * OOB write in BN_bn2dec() ([CVE-2016-2182])
425 * OOB read in TS_OBJ_print_bio() ([CVE-2016-2180])
426 * Pointer arithmetic undefined behaviour ([CVE-2016-2177])
427 * Constant time flag not preserved in DSA signing ([CVE-2016-2178])
428 * DTLS buffered message DoS ([CVE-2016-2179])
429 * DTLS replay protection DoS ([CVE-2016-2181])
430 * Certificate message OOB reads ([CVE-2016-6306])
4477beac 431
257e9d03 432### Major changes between OpenSSL 1.0.2g and OpenSSL 1.0.2h [3 May 2016]
4477beac 433
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434 * Prevent padding oracle in AES-NI CBC MAC check ([CVE-2016-2107])
435 * Fix EVP_EncodeUpdate overflow ([CVE-2016-2105])
436 * Fix EVP_EncryptUpdate overflow ([CVE-2016-2106])
437 * Prevent ASN.1 BIO excessive memory allocation ([CVE-2016-2109])
438 * EBCDIC overread ([CVE-2016-2176])
5f8e6c50
DMSP
439 * Modify behavior of ALPN to invoke callback after SNI/servername
440 callback, such that updates to the SSL_CTX affect ALPN.
441 * Remove LOW from the DEFAULT cipher list. This removes singles DES from
442 the default.
443 * Only remove the SSLv2 methods with the no-ssl2-method option.
444
257e9d03 445### Major changes between OpenSSL 1.0.2f and OpenSSL 1.0.2g [1 Mar 2016]
5f8e6c50
DMSP
446
447 * Disable weak ciphers in SSLv3 and up in default builds of OpenSSL.
448 * Disable SSLv2 default build, default negotiation and weak ciphers
d8dc8538
DMSP
449 ([CVE-2016-0800])
450 * Fix a double-free in DSA code ([CVE-2016-0705])
5f8e6c50 451 * Disable SRP fake user seed to address a server memory leak
d8dc8538 452 ([CVE-2016-0798])
5f8e6c50 453 * Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption
d8dc8538
DMSP
454 ([CVE-2016-0797])
455 * Fix memory issues in BIO_*printf functions ([CVE-2016-0799])
456 * Fix side channel attack on modular exponentiation ([CVE-2016-0702])
5f8e6c50 457
257e9d03 458### Major changes between OpenSSL 1.0.2e and OpenSSL 1.0.2f [28 Jan 2016]
5f8e6c50 459
d8dc8538
DMSP
460 * DH small subgroups ([CVE-2016-0701])
461 * SSLv2 doesn't block disabled ciphers ([CVE-2015-3197])
5f8e6c50 462
257e9d03 463### Major changes between OpenSSL 1.0.2d and OpenSSL 1.0.2e [3 Dec 2015]
5f8e6c50 464
d8dc8538
DMSP
465 * BN_mod_exp may produce incorrect results on x86_64 ([CVE-2015-3193])
466 * Certificate verify crash with missing PSS parameter ([CVE-2015-3194])
467 * X509_ATTRIBUTE memory leak ([CVE-2015-3195])
5f8e6c50
DMSP
468 * Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs
469 * In DSA_generate_parameters_ex, if the provided seed is too short,
470 return an error
471
257e9d03 472### Major changes between OpenSSL 1.0.2c and OpenSSL 1.0.2d [9 Jul 2015]
5f8e6c50 473
d8dc8538
DMSP
474 * Alternate chains certificate forgery ([CVE-2015-1793])
475 * Race condition handling PSK identify hint ([CVE-2015-3196])
5f8e6c50 476
257e9d03 477### Major changes between OpenSSL 1.0.2b and OpenSSL 1.0.2c [12 Jun 2015]
5f8e6c50
DMSP
478
479 * Fix HMAC ABI incompatibility
480
257e9d03 481### Major changes between OpenSSL 1.0.2a and OpenSSL 1.0.2b [11 Jun 2015]
4477beac 482
d8dc8538
DMSP
483 * Malformed ECParameters causes infinite loop ([CVE-2015-1788])
484 * Exploitable out-of-bounds read in X509_cmp_time ([CVE-2015-1789])
485 * PKCS7 crash with missing EnvelopedContent ([CVE-2015-1790])
486 * CMS verify infinite loop with unknown hash function ([CVE-2015-1792])
487 * Race condition handling NewSessionTicket ([CVE-2015-1791])
4477beac 488
257e9d03 489### Major changes between OpenSSL 1.0.2 and OpenSSL 1.0.2a [19 Mar 2015]
4477beac 490
d8dc8538
DMSP
491 * OpenSSL 1.0.2 ClientHello sigalgs DoS fix ([CVE-2015-0291])
492 * Multiblock corrupted pointer fix ([CVE-2015-0290])
493 * Segmentation fault in DTLSv1_listen fix ([CVE-2015-0207])
494 * Segmentation fault in ASN1_TYPE_cmp fix ([CVE-2015-0286])
495 * Segmentation fault for invalid PSS parameters fix ([CVE-2015-0208])
496 * ASN.1 structure reuse memory corruption fix ([CVE-2015-0287])
497 * PKCS7 NULL pointer dereferences fix ([CVE-2015-0289])
498 * DoS via reachable assert in SSLv2 servers fix ([CVE-2015-0293])
499 * Empty CKE with client auth and DHE fix ([CVE-2015-1787])
500 * Handshake with unseeded PRNG fix ([CVE-2015-0285])
501 * Use After Free following d2i_ECPrivatekey error fix ([CVE-2015-0209])
502 * X509_to_X509_REQ NULL pointer deref fix ([CVE-2015-0288])
5f8e6c50
DMSP
503 * Removed the export ciphers from the DEFAULT ciphers
504
257e9d03 505### Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.2 [22 Jan 2015]
5f8e6c50
DMSP
506
507 * Suite B support for TLS 1.2 and DTLS 1.2
508 * Support for DTLS 1.2
509 * TLS automatic EC curve selection.
510 * API to set TLS supported signature algorithms and curves
511 * SSL_CONF configuration API.
512 * TLS Brainpool support.
513 * ALPN support.
514 * CMS support for RSA-PSS, RSA-OAEP, ECDH and X9.42 DH.
515
4477beac
DMSP
516OpenSSL 1.0.1
517-------------
518
257e9d03 519### Major changes between OpenSSL 1.0.1t and OpenSSL 1.0.1u [22 Sep 2016]
4477beac 520
d8dc8538
DMSP
521 * OCSP Status Request extension unbounded memory growth ([CVE-2016-6304])
522 * SWEET32 Mitigation ([CVE-2016-2183])
523 * OOB write in MDC2_Update() ([CVE-2016-6303])
524 * Malformed SHA512 ticket DoS ([CVE-2016-6302])
525 * OOB write in BN_bn2dec() ([CVE-2016-2182])
526 * OOB read in TS_OBJ_print_bio() ([CVE-2016-2180])
527 * Pointer arithmetic undefined behaviour ([CVE-2016-2177])
528 * Constant time flag not preserved in DSA signing ([CVE-2016-2178])
529 * DTLS buffered message DoS ([CVE-2016-2179])
530 * DTLS replay protection DoS ([CVE-2016-2181])
531 * Certificate message OOB reads ([CVE-2016-6306])
4477beac 532
257e9d03 533### Major changes between OpenSSL 1.0.1s and OpenSSL 1.0.1t [3 May 2016]
4477beac 534
d8dc8538
DMSP
535 * Prevent padding oracle in AES-NI CBC MAC check ([CVE-2016-2107])
536 * Fix EVP_EncodeUpdate overflow ([CVE-2016-2105])
537 * Fix EVP_EncryptUpdate overflow ([CVE-2016-2106])
538 * Prevent ASN.1 BIO excessive memory allocation ([CVE-2016-2109])
539 * EBCDIC overread ([CVE-2016-2176])
4477beac
DMSP
540 * Modify behavior of ALPN to invoke callback after SNI/servername
541 callback, such that updates to the SSL_CTX affect ALPN.
542 * Remove LOW from the DEFAULT cipher list. This removes singles DES from
543 the default.
544 * Only remove the SSLv2 methods with the no-ssl2-method option.
545
257e9d03 546### Major changes between OpenSSL 1.0.1r and OpenSSL 1.0.1s [1 Mar 2016]
4477beac
DMSP
547
548 * Disable weak ciphers in SSLv3 and up in default builds of OpenSSL.
549 * Disable SSLv2 default build, default negotiation and weak ciphers
d8dc8538
DMSP
550 ([CVE-2016-0800])
551 * Fix a double-free in DSA code ([CVE-2016-0705])
4477beac 552 * Disable SRP fake user seed to address a server memory leak
d8dc8538 553 ([CVE-2016-0798])
4477beac 554 * Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption
d8dc8538
DMSP
555 ([CVE-2016-0797])
556 * Fix memory issues in BIO_*printf functions ([CVE-2016-0799])
557 * Fix side channel attack on modular exponentiation ([CVE-2016-0702])
4477beac 558
257e9d03 559### Major changes between OpenSSL 1.0.1q and OpenSSL 1.0.1r [28 Jan 2016]
4477beac
DMSP
560
561 * Protection for DH small subgroup attacks
d8dc8538 562 * SSLv2 doesn't block disabled ciphers ([CVE-2015-3197])
4477beac 563
257e9d03 564### Major changes between OpenSSL 1.0.1p and OpenSSL 1.0.1q [3 Dec 2015]
4477beac 565
d8dc8538
DMSP
566 * Certificate verify crash with missing PSS parameter ([CVE-2015-3194])
567 * X509_ATTRIBUTE memory leak ([CVE-2015-3195])
4477beac
DMSP
568 * Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs
569 * In DSA_generate_parameters_ex, if the provided seed is too short,
570 return an error
571
257e9d03 572### Major changes between OpenSSL 1.0.1o and OpenSSL 1.0.1p [9 Jul 2015]
4477beac 573
d8dc8538
DMSP
574 * Alternate chains certificate forgery ([CVE-2015-1793])
575 * Race condition handling PSK identify hint ([CVE-2015-3196])
4477beac 576
257e9d03 577### Major changes between OpenSSL 1.0.1n and OpenSSL 1.0.1o [12 Jun 2015]
4477beac
DMSP
578
579 * Fix HMAC ABI incompatibility
580
257e9d03 581### Major changes between OpenSSL 1.0.1m and OpenSSL 1.0.1n [11 Jun 2015]
4477beac 582
d8dc8538
DMSP
583 * Malformed ECParameters causes infinite loop ([CVE-2015-1788])
584 * Exploitable out-of-bounds read in X509_cmp_time ([CVE-2015-1789])
585 * PKCS7 crash with missing EnvelopedContent ([CVE-2015-1790])
586 * CMS verify infinite loop with unknown hash function ([CVE-2015-1792])
587 * Race condition handling NewSessionTicket ([CVE-2015-1791])
4477beac 588
257e9d03 589### Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.1m [19 Mar 2015]
4477beac 590
d8dc8538
DMSP
591 * Segmentation fault in ASN1_TYPE_cmp fix ([CVE-2015-0286])
592 * ASN.1 structure reuse memory corruption fix ([CVE-2015-0287])
593 * PKCS7 NULL pointer dereferences fix ([CVE-2015-0289])
594 * DoS via reachable assert in SSLv2 servers fix ([CVE-2015-0293])
595 * Use After Free following d2i_ECPrivatekey error fix ([CVE-2015-0209])
596 * X509_to_X509_REQ NULL pointer deref fix ([CVE-2015-0288])
4477beac
DMSP
597 * Removed the export ciphers from the DEFAULT ciphers
598
257e9d03 599### Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015]
5f8e6c50
DMSP
600
601 * Build fixes for the Windows and OpenVMS platforms
602
257e9d03 603### Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015]
4477beac 604
d8dc8538
DMSP
605 * Fix for [CVE-2014-3571]
606 * Fix for [CVE-2015-0206]
607 * Fix for [CVE-2014-3569]
608 * Fix for [CVE-2014-3572]
609 * Fix for [CVE-2015-0204]
610 * Fix for [CVE-2015-0205]
611 * Fix for [CVE-2014-8275]
612 * Fix for [CVE-2014-3570]
4477beac 613
257e9d03 614### Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014]
4477beac 615
d8dc8538
DMSP
616 * Fix for [CVE-2014-3513]
617 * Fix for [CVE-2014-3567]
618 * Mitigation for [CVE-2014-3566] (SSL protocol vulnerability)
619 * Fix for [CVE-2014-3568]
4477beac 620
257e9d03 621### Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014]
4477beac 622
d8dc8538
DMSP
623 * Fix for [CVE-2014-3512]
624 * Fix for [CVE-2014-3511]
625 * Fix for [CVE-2014-3510]
626 * Fix for [CVE-2014-3507]
627 * Fix for [CVE-2014-3506]
628 * Fix for [CVE-2014-3505]
629 * Fix for [CVE-2014-3509]
630 * Fix for [CVE-2014-5139]
631 * Fix for [CVE-2014-3508]
4477beac 632
257e9d03 633### Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014]
4477beac 634
d8dc8538
DMSP
635 * Fix for [CVE-2014-0224]
636 * Fix for [CVE-2014-0221]
637 * Fix for [CVE-2014-0198]
638 * Fix for [CVE-2014-0195]
639 * Fix for [CVE-2014-3470]
640 * Fix for [CVE-2010-5298]
4477beac 641
257e9d03 642### Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014]
4477beac 643
d8dc8538 644 * Fix for [CVE-2014-0160]
5f8e6c50 645 * Add TLS padding extension workaround for broken servers.
d8dc8538 646 * Fix for [CVE-2014-0076]
5f8e6c50 647
257e9d03 648### Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014]
5f8e6c50
DMSP
649
650 * Don't include gmt_unix_time in TLS server and client random values
d8dc8538
DMSP
651 * Fix for TLS record tampering bug ([CVE-2013-4353])
652 * Fix for TLS version checking bug ([CVE-2013-6449])
653 * Fix for DTLS retransmission bug ([CVE-2013-6450])
5f8e6c50 654
257e9d03 655### Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]
5f8e6c50 656
d8dc8538 657 * Corrected fix for ([CVE-2013-0169])
5f8e6c50 658
257e9d03 659### Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]
5f8e6c50
DMSP
660
661 * Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
662 * Include the fips configuration module.
d8dc8538
DMSP
663 * Fix OCSP bad key DoS attack ([CVE-2013-0166])
664 * Fix for SSL/TLS/DTLS CBC plaintext recovery attack ([CVE-2013-0169])
665 * Fix for TLS AESNI record handling flaw ([CVE-2012-2686])
5f8e6c50 666
257e9d03 667### Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]
5f8e6c50 668
d8dc8538 669 * Fix TLS/DTLS record length checking bug ([CVE-2012-2333])
5f8e6c50
DMSP
670 * Don't attempt to use non-FIPS composite ciphers in FIPS mode.
671
257e9d03 672### Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]
5f8e6c50
DMSP
673
674 * Fix compilation error on non-x86 platforms.
675 * Make FIPS capable OpenSSL ciphers work in non-FIPS mode.
676 * Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0
677
257e9d03 678### Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]
5f8e6c50 679
d8dc8538 680 * Fix for ASN1 overflow bug ([CVE-2012-2110])
5f8e6c50
DMSP
681 * Workarounds for some servers that hang on long client hellos.
682 * Fix SEGV in AES code.
683
257e9d03 684### Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]
5f8e6c50
DMSP
685
686 * TLS/DTLS heartbeat support.
687 * SCTP support.
688 * RFC 5705 TLS key material exporter.
689 * RFC 5764 DTLS-SRTP negotiation.
690 * Next Protocol Negotiation.
691 * PSS signatures in certificates, requests and CRLs.
692 * Support for password based recipient info for CMS.
693 * Support TLS v1.2 and TLS v1.1.
694 * Preliminary FIPS capability for unvalidated 2.0 FIPS module.
695 * SRP support.
696
4477beac
DMSP
697OpenSSL 1.0.0
698-------------
699
257e9d03 700### Major changes between OpenSSL 1.0.0s and OpenSSL 1.0.0t [3 Dec 2015]
4477beac 701
d8dc8538
DMSP
702 * X509_ATTRIBUTE memory leak (([CVE-2015-3195]))
703 * Race condition handling PSK identify hint ([CVE-2015-3196])
4477beac 704
257e9d03 705### Major changes between OpenSSL 1.0.0r and OpenSSL 1.0.0s [11 Jun 2015]
4477beac 706
d8dc8538
DMSP
707 * Malformed ECParameters causes infinite loop ([CVE-2015-1788])
708 * Exploitable out-of-bounds read in X509_cmp_time ([CVE-2015-1789])
709 * PKCS7 crash with missing EnvelopedContent ([CVE-2015-1790])
710 * CMS verify infinite loop with unknown hash function ([CVE-2015-1792])
711 * Race condition handling NewSessionTicket ([CVE-2015-1791])
4477beac 712
257e9d03 713### Major changes between OpenSSL 1.0.0q and OpenSSL 1.0.0r [19 Mar 2015]
4477beac 714
d8dc8538
DMSP
715 * Segmentation fault in ASN1_TYPE_cmp fix ([CVE-2015-0286])
716 * ASN.1 structure reuse memory corruption fix ([CVE-2015-0287])
717 * PKCS7 NULL pointer dereferences fix ([CVE-2015-0289])
718 * DoS via reachable assert in SSLv2 servers fix ([CVE-2015-0293])
719 * Use After Free following d2i_ECPrivatekey error fix ([CVE-2015-0209])
720 * X509_to_X509_REQ NULL pointer deref fix ([CVE-2015-0288])
4477beac
DMSP
721 * Removed the export ciphers from the DEFAULT ciphers
722
257e9d03 723### Major changes between OpenSSL 1.0.0p and OpenSSL 1.0.0q [15 Jan 2015]
4477beac
DMSP
724
725 * Build fixes for the Windows and OpenVMS platforms
726
257e9d03 727### Major changes between OpenSSL 1.0.0o and OpenSSL 1.0.0p [8 Jan 2015]
4477beac 728
d8dc8538
DMSP
729 * Fix for [CVE-2014-3571]
730 * Fix for [CVE-2015-0206]
731 * Fix for [CVE-2014-3569]
732 * Fix for [CVE-2014-3572]
733 * Fix for [CVE-2015-0204]
734 * Fix for [CVE-2015-0205]
735 * Fix for [CVE-2014-8275]
736 * Fix for [CVE-2014-3570]
4477beac 737
257e9d03 738### Major changes between OpenSSL 1.0.0n and OpenSSL 1.0.0o [15 Oct 2014]
4477beac 739
d8dc8538
DMSP
740 * Fix for [CVE-2014-3513]
741 * Fix for [CVE-2014-3567]
742 * Mitigation for [CVE-2014-3566] (SSL protocol vulnerability)
743 * Fix for [CVE-2014-3568]
4477beac 744
257e9d03 745### Major changes between OpenSSL 1.0.0m and OpenSSL 1.0.0n [6 Aug 2014]
4477beac 746
d8dc8538
DMSP
747 * Fix for [CVE-2014-3510]
748 * Fix for [CVE-2014-3507]
749 * Fix for [CVE-2014-3506]
750 * Fix for [CVE-2014-3505]
751 * Fix for [CVE-2014-3509]
752 * Fix for [CVE-2014-3508]
4477beac
DMSP
753
754 Known issues in OpenSSL 1.0.0m:
755
756 * EAP-FAST and other applications using tls_session_secret_cb
8c1cbc72 757 won't resume sessions. Fixed in 1.0.0n-dev
4477beac 758 * Compilation failure of s3_pkt.c on some platforms due to missing
257e9d03 759 `<limits.h>` include. Fixed in 1.0.0n-dev
4477beac 760
257e9d03 761### Major changes between OpenSSL 1.0.0l and OpenSSL 1.0.0m [5 Jun 2014]
4477beac 762
d8dc8538
DMSP
763 * Fix for [CVE-2014-0224]
764 * Fix for [CVE-2014-0221]
765 * Fix for [CVE-2014-0198]
766 * Fix for [CVE-2014-0195]
767 * Fix for [CVE-2014-3470]
768 * Fix for [CVE-2014-0076]
769 * Fix for [CVE-2010-5298]
4477beac 770
257e9d03 771### Major changes between OpenSSL 1.0.0k and OpenSSL 1.0.0l [6 Jan 2014]
4477beac 772
d8dc8538 773 * Fix for DTLS retransmission bug ([CVE-2013-6450])
4477beac 774
257e9d03 775### Major changes between OpenSSL 1.0.0j and OpenSSL 1.0.0k [5 Feb 2013]
4477beac 776
d8dc8538
DMSP
777 * Fix for SSL/TLS/DTLS CBC plaintext recovery attack ([CVE-2013-0169])
778 * Fix OCSP bad key DoS attack ([CVE-2013-0166])
4477beac 779
257e9d03 780### Major changes between OpenSSL 1.0.0i and OpenSSL 1.0.0j [10 May 2012]
4477beac 781
d8dc8538 782 * Fix DTLS record length checking bug ([CVE-2012-2333])
4477beac 783
257e9d03 784### Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.0i [19 Apr 2012]
4477beac 785
d8dc8538 786 * Fix for ASN1 overflow bug ([CVE-2012-2110])
4477beac 787
257e9d03 788### Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]
4477beac 789
d8dc8538
DMSP
790 * Fix for CMS/PKCS#7 MMA ([CVE-2012-0884])
791 * Corrected fix for ([CVE-2011-4619])
5f8e6c50
DMSP
792 * Various DTLS fixes.
793
257e9d03 794### Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]
5f8e6c50 795
d8dc8538 796 * Fix for DTLS DoS issue ([CVE-2012-0050])
5f8e6c50 797
257e9d03 798### Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]
5f8e6c50 799
d8dc8538
DMSP
800 * Fix for DTLS plaintext recovery attack ([CVE-2011-4108])
801 * Clear block padding bytes of SSL 3.0 records ([CVE-2011-4576])
802 * Only allow one SGC handshake restart for SSL/TLS ([CVE-2011-4619])
803 * Check parameters are not NULL in GOST ENGINE ([CVE-2012-0027])
804 * Check for malformed RFC3779 data ([CVE-2011-4577])
5f8e6c50 805
257e9d03 806### Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]
5f8e6c50 807
d8dc8538
DMSP
808 * Fix for CRL vulnerability issue ([CVE-2011-3207])
809 * Fix for ECDH crashes ([CVE-2011-3210])
5f8e6c50
DMSP
810 * Protection against EC timing attacks.
811 * Support ECDH ciphersuites for certificates using SHA2 algorithms.
812 * Various DTLS fixes.
813
257e9d03 814### Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]
5f8e6c50 815
d8dc8538 816 * Fix for security issue ([CVE-2011-0014])
367eab2f 817
257e9d03 818### Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]
5f8e6c50 819
d8dc8538
DMSP
820 * Fix for security issue ([CVE-2010-4180])
821 * Fix for ([CVE-2010-4252])
5f8e6c50
DMSP
822 * Fix mishandling of absent EC point format extension.
823 * Fix various platform compilation issues.
d8dc8538 824 * Corrected fix for security issue ([CVE-2010-3864]).
5f8e6c50 825
257e9d03 826### Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]
5f8e6c50 827
d8dc8538
DMSP
828 * Fix for security issue ([CVE-2010-3864]).
829 * Fix for ([CVE-2010-2939])
5f8e6c50
DMSP
830 * Fix WIN32 build system for GOST ENGINE.
831
257e9d03 832### Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]
5f8e6c50 833
d8dc8538 834 * Fix for security issue ([CVE-2010-1633]).
5f8e6c50
DMSP
835 * GOST MAC and CFB fixes.
836
257e9d03 837### Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]
5f8e6c50
DMSP
838
839 * RFC3280 path validation: sufficient to process PKITS tests.
840 * Integrated support for PVK files and keyblobs.
841 * Change default private key format to PKCS#8.
842 * CMS support: able to process all examples in RFC4134
843 * Streaming ASN1 encode support for PKCS#7 and CMS.
844 * Multiple signer and signer add support for PKCS#7 and CMS.
845 * ASN1 printing support.
846 * Whirlpool hash algorithm added.
847 * RFC3161 time stamp support.
848 * New generalised public key API supporting ENGINE based algorithms.
849 * New generalised public key API utilities.
850 * New ENGINE supporting GOST algorithms.
851 * SSL/TLS GOST ciphersuite support.
852 * PKCS#7 and CMS GOST support.
853 * RFC4279 PSK ciphersuite support.
854 * Supported points format extension for ECC ciphersuites.
855 * ecdsa-with-SHA224/256/384/512 signature types.
856 * dsa-with-SHA224 and dsa-with-SHA256 signature types.
857 * Opaque PRF Input TLS extension support.
858 * Updated time routines to avoid OS limitations.
859
4477beac
DMSP
860OpenSSL 0.9.x
861-------------
862
257e9d03 863### Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]
5f8e6c50
DMSP
864
865 * CFB cipher definition fixes.
d8dc8538 866 * Fix security issues [CVE-2010-0740] and [CVE-2010-0433].
5f8e6c50 867
257e9d03 868### Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]
5f8e6c50
DMSP
869
870 * Cipher definition fixes.
871 * Workaround for slow RAND_poll() on some WIN32 versions.
872 * Remove MD2 from algorithm tables.
873 * SPKAC handling fixes.
874 * Support for RFC5746 TLS renegotiation extension.
875 * Compression memory leak fixed.
876 * Compression session resumption fixed.
877 * Ticket and SNI coexistence fixes.
878 * Many fixes to DTLS handling.
879
257e9d03 880### Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]
5f8e6c50 881
d8dc8538 882 * Temporary work around for [CVE-2009-3555]: disable renegotiation.
5f8e6c50 883
257e9d03 884### Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]
5f8e6c50
DMSP
885
886 * Fix various build issues.
d8dc8538 887 * Fix security issues [CVE-2009-0590], [CVE-2009-0591], [CVE-2009-0789]
5f8e6c50 888
257e9d03 889### Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]
5f8e6c50 890
d8dc8538 891 * Fix security issue ([CVE-2008-5077])
5f8e6c50
DMSP
892 * Merge FIPS 140-2 branch code.
893
257e9d03 894### Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]
5f8e6c50
DMSP
895
896 * CryptoAPI ENGINE support.
897 * Various precautionary measures.
898 * Fix for bugs affecting certificate request creation.
899 * Support for local machine keyset attribute in PKCS#12 files.
900
257e9d03 901### Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]
5f8e6c50
DMSP
902
903 * Backport of CMS functionality to 0.9.8.
904 * Fixes for bugs introduced with 0.9.8f.
905
257e9d03 906### Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]
5f8e6c50
DMSP
907
908 * Add gcc 4.2 support.
909 * Add support for AES and SSE2 assembly language optimization
910 for VC++ build.
911 * Support for RFC4507bis and server name extensions if explicitly
912 selected at compile time.
913 * DTLS improvements.
914 * RFC4507bis support.
915 * TLS Extensions support.
916
257e9d03 917### Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]
5f8e6c50
DMSP
918
919 * Various ciphersuite selection fixes.
920 * RFC3779 support.
921
257e9d03 922### Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]
5f8e6c50 923
d8dc8538
DMSP
924 * Introduce limits to prevent malicious key DoS ([CVE-2006-2940])
925 * Fix security issues [CVE-2006-2937], [CVE-2006-3737], [CVE-2006-4343]
5f8e6c50
DMSP
926 * Changes to ciphersuite selection algorithm
927
257e9d03 928### Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]
5f8e6c50 929
d8dc8538 930 * Fix Daniel Bleichenbacher forged signature attack, [CVE-2006-4339]
5f8e6c50
DMSP
931 * New cipher Camellia
932
257e9d03 933### Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]
5f8e6c50
DMSP
934
935 * Cipher string fixes.
936 * Fixes for VC++ 2005.
937 * Updated ECC cipher suite support.
938 * New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
939 * Zlib compression usage fixes.
940 * Built in dynamic engine compilation support on Win32.
941 * Fixes auto dynamic engine loading in Win32.
942
257e9d03 943### Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]
5f8e6c50 944
d8dc8538 945 * Fix potential SSL 2.0 rollback ([CVE-2005-2969])
5f8e6c50
DMSP
946 * Extended Windows CE support
947
257e9d03 948### Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]
5f8e6c50
DMSP
949
950 * Major work on the BIGNUM library for higher efficiency and to
951 make operations more streamlined and less contradictory. This
952 is the result of a major audit of the BIGNUM library.
953 * Addition of BIGNUM functions for fields GF(2^m) and NIST
954 curves, to support the Elliptic Crypto functions.
955 * Major work on Elliptic Crypto; ECDH and ECDSA added, including
956 the use through EVP, X509 and ENGINE.
957 * New ASN.1 mini-compiler that's usable through the OpenSSL
958 configuration file.
959 * Added support for ASN.1 indefinite length constructed encoding.
960 * New PKCS#12 'medium level' API to manipulate PKCS#12 files.
961 * Complete rework of shared library construction and linking
962 programs with shared or static libraries, through a separate
963 Makefile.shared.
964 * Rework of the passing of parameters from one Makefile to another.
965 * Changed ENGINE framework to load dynamic engine modules
966 automatically from specifically given directories.
967 * New structure and ASN.1 functions for CertificatePair.
968 * Changed the ZLIB compression method to be stateful.
969 * Changed the key-generation and primality testing "progress"
970 mechanism to take a structure that contains the ticker
971 function and an argument.
972 * New engine module: GMP (performs private key exponentiation).
973 * New engine module: VIA PadLOck ACE extension in VIA C3
974 Nehemiah processors.
975 * Added support for IPv6 addresses in certificate extensions.
976 See RFC 1884, section 2.2.
977 * Added support for certificate policy mappings, policy
978 constraints and name constraints.
979 * Added support for multi-valued AVAs in the OpenSSL
980 configuration file.
981 * Added support for multiple certificates with the same subject
982 in the 'openssl ca' index file.
983 * Make it possible to create self-signed certificates using
984 'openssl ca -selfsign'.
985 * Make it possible to generate a serial number file with
986 'openssl ca -create_serial'.
987 * New binary search functions with extended functionality.
988 * New BUF functions.
989 * New STORE structure and library to provide an interface to all
990 sorts of data repositories. Supports storage of public and
991 private keys, certificates, CRLs, numbers and arbitrary blobs.
992 This library is unfortunately unfinished and unused within
993 OpenSSL.
994 * New control functions for the error stack.
995 * Changed the PKCS#7 library to support one-pass S/MIME
996 processing.
997 * Added the possibility to compile without old deprecated
998 functionality with the OPENSSL_NO_DEPRECATED macro or the
999 'no-deprecated' argument to the config and Configure scripts.
1000 * Constification of all ASN.1 conversion functions, and other
1001 affected functions.
1002 * Improved platform support for PowerPC.
1003 * New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
1004 * New X509_VERIFY_PARAM structure to support parameterisation
1005 of X.509 path validation.
1006 * Major overhaul of RC4 performance on Intel P4, IA-64 and
1007 AMD64.
1008 * Changed the Configure script to have some algorithms disabled
1009 by default. Those can be explicitly enabled with the new
1010 argument form 'enable-xxx'.
1011 * Change the default digest in 'openssl' commands from MD5 to
1012 SHA-1.
1013 * Added support for DTLS.
1014 * New BIGNUM blinding.
1015 * Added support for the RSA-PSS encryption scheme
1016 * Added support for the RSA X.931 padding.
1017 * Added support for BSD sockets on NetWare.
1018 * Added support for files larger than 2GB.
1019 * Added initial support for Win64.
1020 * Added alternate pkg-config files.
1021
257e9d03 1022### Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]
5f8e6c50
DMSP
1023
1024 * FIPS 1.1.1 module linking.
1025 * Various ciphersuite selection fixes.
1026
257e9d03 1027### Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]
5f8e6c50 1028
d8dc8538
DMSP
1029 * Introduce limits to prevent malicious key DoS ([CVE-2006-2940])
1030 * Fix security issues [CVE-2006-2937], [CVE-2006-3737], [CVE-2006-4343]
5f8e6c50 1031
257e9d03 1032### Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]
5f8e6c50 1033
d8dc8538 1034 * Fix Daniel Bleichenbacher forged signature attack, [CVE-2006-4339]
5f8e6c50 1035
257e9d03 1036### Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]
5f8e6c50
DMSP
1037
1038 * Visual C++ 2005 fixes.
1039 * Update Windows build system for FIPS.
1040
257e9d03 1041### Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]
5f8e6c50
DMSP
1042
1043 * Give EVP_MAX_MD_SIZE its old value, except for a FIPS build.
1044
257e9d03 1045### Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]
5f8e6c50 1046
d8dc8538 1047 * Fix SSL 2.0 Rollback ([CVE-2005-2969])
5f8e6c50
DMSP
1048 * Allow use of fixed-length exponent on DSA signing
1049 * Default fixed-window RSA, DSA, DH private-key operations
1050
257e9d03 1051### Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]
5f8e6c50
DMSP
1052
1053 * More compilation issues fixed.
1054 * Adaptation to more modern Kerberos API.
1055 * Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
1056 * Enhanced x86_64 assembler BIGNUM module.
1057 * More constification.
1058 * Added processing of proxy certificates (RFC 3820).
1059
257e9d03 1060### Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]
5f8e6c50
DMSP
1061
1062 * Several compilation issues fixed.
1063 * Many memory allocation failure checks added.
1064 * Improved comparison of X509 Name type.
1065 * Mandatory basic checks on certificates.
1066 * Performance improvements.
1067
257e9d03 1068### Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]
5f8e6c50
DMSP
1069
1070 * Fix race condition in CRL checking code.
1071 * Fixes to PKCS#7 (S/MIME) code.
1072
257e9d03 1073### Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]
5f8e6c50
DMSP
1074
1075 * Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
1076 * Security: Fix null-pointer assignment in do_change_cipher_spec()
1077 * Allow multiple active certificates with same subject in CA index
1078 * Multiple X509 verification fixes
1079 * Speed up HMAC and other operations
1080
257e9d03 1081### Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]
5f8e6c50
DMSP
1082
1083 * Security: fix various ASN1 parsing bugs.
1084 * New -ignore_err option to OCSP utility.
1085 * Various interop and bug fixes in S/MIME code.
1086 * SSL/TLS protocol fix for unrequested client certificates.
1087
257e9d03 1088### Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]
5f8e6c50
DMSP
1089
1090 * Security: counter the Klima-Pokorny-Rosa extension of
1091 Bleichbacher's attack
1092 * Security: make RSA blinding default.
1093 * Configuration: Irix fixes, AIX fixes, better mingw support.
1094 * Support for new platforms: linux-ia64-ecc.
1095 * Build: shared library support fixes.
1096 * ASN.1: treat domainComponent correctly.
1097 * Documentation: fixes and additions.
1098
257e9d03 1099### Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]
5f8e6c50
DMSP
1100
1101 * Security: Important security related bugfixes.
1102 * Enhanced compatibility with MIT Kerberos.
1103 * Can be built without the ENGINE framework.
1104 * IA32 assembler enhancements.
1105 * Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
1106 * Configuration: the no-err option now works properly.
1107 * SSL/TLS: now handles manual certificate chain building.
1108 * SSL/TLS: certain session ID malfunctions corrected.
1109
257e9d03 1110### Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]
5f8e6c50
DMSP
1111
1112 * New library section OCSP.
1113 * Complete rewrite of ASN1 code.
1114 * CRL checking in verify code and openssl utility.
1115 * Extension copying in 'ca' utility.
1116 * Flexible display options in 'ca' utility.
1117 * Provisional support for international characters with UTF8.
1118 * Support for external crypto devices ('engine') is no longer
1119 a separate distribution.
1120 * New elliptic curve library section.
1121 * New AES (Rijndael) library section.
1122 * Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
1123 Linux x86_64, Linux 64-bit on Sparc v9
1124 * Extended support for some platforms: VxWorks
1125 * Enhanced support for shared libraries.
1126 * Now only builds PIC code when shared library support is requested.
1127 * Support for pkg-config.
1128 * Lots of new manuals.
1129 * Makes symbolic links to or copies of manuals to cover all described
1130 functions.
1131 * Change DES API to clean up the namespace (some applications link also
1132 against libdes providing similar functions having the same name).
1133 Provide macros for backward compatibility (will be removed in the
1134 future).
1135 * Unify handling of cryptographic algorithms (software and engine)
1136 to be available via EVP routines for asymmetric and symmetric ciphers.
1137 * NCONF: new configuration handling routines.
1138 * Change API to use more 'const' modifiers to improve error checking
1139 and help optimizers.
1140 * Finally remove references to RSAref.
1141 * Reworked parts of the BIGNUM code.
1142 * Support for new engines: Broadcom ubsec, Accelerated Encryption
1143 Processing, IBM 4758.
1144 * A few new engines added in the demos area.
1145 * Extended and corrected OID (object identifier) table.
1146 * PRNG: query at more locations for a random device, automatic query for
1147 EGD style random sources at several locations.
1148 * SSL/TLS: allow optional cipher choice according to server's preference.
1149 * SSL/TLS: allow server to explicitly set new session ids.
1150 * SSL/TLS: support Kerberos cipher suites (RFC2712).
1151 Only supports MIT Kerberos for now.
1152 * SSL/TLS: allow more precise control of renegotiations and sessions.
1153 * SSL/TLS: add callback to retrieve SSL/TLS messages.
1154 * SSL/TLS: support AES cipher suites (RFC3268).
1155
257e9d03 1156### Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]
5f8e6c50
DMSP
1157
1158 * Security: fix various ASN1 parsing bugs.
1159 * SSL/TLS protocol fix for unrequested client certificates.
1160
257e9d03 1161### Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]
5f8e6c50
DMSP
1162
1163 * Security: counter the Klima-Pokorny-Rosa extension of
1164 Bleichbacher's attack
1165 * Security: make RSA blinding default.
1166 * Build: shared library support fixes.
1167
257e9d03 1168### Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]
5f8e6c50
DMSP
1169
1170 * Important security related bugfixes.
1171
257e9d03 1172### Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]
5f8e6c50
DMSP
1173
1174 * New configuration targets for Tandem OSS and A/UX.
1175 * New OIDs for Microsoft attributes.
1176 * Better handling of SSL session caching.
1177 * Better comparison of distinguished names.
1178 * Better handling of shared libraries in a mixed GNU/non-GNU environment.
1179 * Support assembler code with Borland C.
1180 * Fixes for length problems.
1181 * Fixes for uninitialised variables.
1182 * Fixes for memory leaks, some unusual crashes and some race conditions.
1183 * Fixes for smaller building problems.
1184 * Updates of manuals, FAQ and other instructive documents.
1185
257e9d03 1186### Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]
5f8e6c50
DMSP
1187
1188 * Important building fixes on Unix.
1189
257e9d03 1190### Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]
5f8e6c50
DMSP
1191
1192 * Various important bugfixes.
1193
257e9d03 1194### Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]
5f8e6c50
DMSP
1195
1196 * Important security related bugfixes.
1197 * Various SSL/TLS library bugfixes.
1198
257e9d03 1199### Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]
5f8e6c50
DMSP
1200
1201 * Various SSL/TLS library bugfixes.
1202 * Fix DH parameter generation for 'non-standard' generators.
1203
257e9d03 1204### Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]
5f8e6c50
DMSP
1205
1206 * Various SSL/TLS library bugfixes.
1207 * BIGNUM library fixes.
1208 * RSA OAEP and random number generation fixes.
1209 * Object identifiers corrected and added.
1210 * Add assembler BN routines for IA64.
1211 * Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
1212 MIPS Linux; shared library support for Irix, HP-UX.
1213 * Add crypto accelerator support for AEP, Baltimore SureWare,
1214 Broadcom and Cryptographic Appliance's keyserver
1215 [in 0.9.6c-engine release].
1216
257e9d03 1217### Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]
5f8e6c50
DMSP
1218
1219 * Security fix: PRNG improvements.
1220 * Security fix: RSA OAEP check.
1221 * Security fix: Reinsert and fix countermeasure to Bleichbacher's
1222 attack.
1223 * MIPS bug fix in BIGNUM.
1224 * Bug fix in "openssl enc".
1225 * Bug fix in X.509 printing routine.
1226 * Bug fix in DSA verification routine and DSA S/MIME verification.
1227 * Bug fix to make PRNG thread-safe.
1228 * Bug fix in RAND_file_name().
1229 * Bug fix in compatibility mode trust settings.
1230 * Bug fix in blowfish EVP.
1231 * Increase default size for BIO buffering filter.
1232 * Compatibility fixes in some scripts.
1233
257e9d03 1234### Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]
5f8e6c50
DMSP
1235
1236 * Security fix: change behavior of OpenSSL to avoid using
1237 environment variables when running as root.
1238 * Security fix: check the result of RSA-CRT to reduce the
1239 possibility of deducing the private key from an incorrectly
1240 calculated signature.
1241 * Security fix: prevent Bleichenbacher's DSA attack.
1242 * Security fix: Zero the premaster secret after deriving the
1243 master secret in DH ciphersuites.
1244 * Reimplement SSL_peek(), which had various problems.
1245 * Compatibility fix: the function des_encrypt() renamed to
1246 des_encrypt1() to avoid clashes with some Unixen libc.
1247 * Bug fixes for Win32, HP/UX and Irix.
1248 * Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
1249 memory checking routines.
1250 * Bug fixes for RSA operations in threaded environments.
1251 * Bug fixes in misc. openssl applications.
1252 * Remove a few potential memory leaks.
1253 * Add tighter checks of BIGNUM routines.
1254 * Shared library support has been reworked for generality.
1255 * More documentation.
1256 * New function BN_rand_range().
1257 * Add "-rand" option to openssl s_client and s_server.
1258
257e9d03 1259### Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]
5f8e6c50
DMSP
1260
1261 * Some documentation for BIO and SSL libraries.
1262 * Enhanced chain verification using key identifiers.
1263 * New sign and verify options to 'dgst' application.
1264 * Support for DER and PEM encoded messages in 'smime' application.
8c1cbc72 1265 * New 'rsautl' application, low-level RSA utility.
5f8e6c50
DMSP
1266 * MD4 now included.
1267 * Bugfix for SSL rollback padding check.
1268 * Support for external crypto devices [1].
1269 * Enhanced EVP interface.
1270
1271 [1] The support for external crypto devices is currently a separate
036cbb6b 1272 distribution. See the file README-Engine.md.
5f8e6c50 1273
257e9d03 1274### Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]
5f8e6c50
DMSP
1275
1276 * Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
1277 * Shared library support for HPUX and Solaris-gcc
1278 * Support of Linux/IA64
1279 * Assembler support for Mingw32
1280 * New 'rand' application
1281 * New way to check for existence of algorithms from scripts
1282
257e9d03 1283### Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]
5f8e6c50
DMSP
1284
1285 * S/MIME support in new 'smime' command
1286 * Documentation for the OpenSSL command line application
1287 * Automation of 'req' application
1288 * Fixes to make s_client, s_server work under Windows
1289 * Support for multiple fieldnames in SPKACs
1290 * New SPKAC command line utility and associated library functions
1291 * Options to allow passwords to be obtained from various sources
1292 * New public key PEM format and options to handle it
1293 * Many other fixes and enhancements to command line utilities
1294 * Usable certificate chain verification
1295 * Certificate purpose checking
1296 * Certificate trust settings
1297 * Support of authority information access extension
1298 * Extensions in certificate requests
1299 * Simplified X509 name and attribute routines
1300 * Initial (incomplete) support for international character sets
1301 * New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
1302 * Read only memory BIOs and simplified creation function
1303 * TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
1304 record; allow fragmentation and interleaving of handshake and other
1305 data
1306 * TLS/SSL code now "tolerates" MS SGC
1307 * Work around for Netscape client certificate hang bug
1308 * RSA_NULL option that removes RSA patent code but keeps other
1309 RSA functionality
1310 * Memory leak detection now allows applications to add extra information
1311 via a per-thread stack
1312 * PRNG robustness improved
1313 * EGD support
1314 * BIGNUM library bug fixes
1315 * Faster DSA parameter generation
1316 * Enhanced support for Alpha Linux
8c1cbc72 1317 * Experimental macOS support
5f8e6c50 1318
257e9d03 1319### Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]
5f8e6c50
DMSP
1320
1321 * Transparent support for PKCS#8 format private keys: these are used
1322 by several software packages and are more secure than the standard
1323 form
1324 * PKCS#5 v2.0 implementation
1325 * Password callbacks have a new void * argument for application data
1326 * Avoid various memory leaks
1327 * New pipe-like BIO that allows using the SSL library when actual I/O
1328 must be handled by the application (BIO pair)
1329
257e9d03 1330### Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]
4477beac 1331
5f8e6c50
DMSP
1332 * Lots of enhancements and cleanups to the Configuration mechanism
1333 * RSA OEAP related fixes
4477beac 1334 * Added "openssl ca -revoke" option for revoking a certificate
5f8e6c50
DMSP
1335 * Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
1336 * Source tree cleanups: removed lots of obsolete files
1337 * Thawte SXNet, certificate policies and CRL distribution points
4477beac 1338 extension support
5f8e6c50
DMSP
1339 * Preliminary (experimental) S/MIME support
1340 * Support for ASN.1 UTF8String and VisibleString
1341 * Full integration of PKCS#12 code
1342 * Sparc assembler bignum implementation, optimized hash functions
1343 * Option to disable selected ciphers
8e8a8a5f 1344
257e9d03 1345### Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]
4477beac 1346
5f8e6c50
DMSP
1347 * Fixed a security hole related to session resumption
1348 * Fixed RSA encryption routines for the p < q case
1349 * "ALL" in cipher lists now means "everything except NULL ciphers"
1350 * Support for Triple-DES CBCM cipher
1351 * Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
1352 * First support for new TLSv1 ciphers
1353 * Added a few new BIOs (syslog BIO, reliable BIO)
1354 * Extended support for DSA certificate/keys.
1355 * Extended support for Certificate Signing Requests (CSR)
1356 * Initial support for X.509v3 extensions
1357 * Extended support for compression inside the SSL record layer
1358 * Overhauled Win32 builds
1359 * Cleanups and fixes to the Big Number (BN) library
1360 * Support for ASN.1 GeneralizedTime
1361 * Splitted ASN.1 SETs from SEQUENCEs
1362 * ASN1 and PEM support for Netscape Certificate Sequences
1363 * Overhauled Perl interface
1364 * Lots of source tree cleanups.
1365 * Lots of memory leak fixes.
1366 * Lots of bug fixes.
3b52c2e7 1367
257e9d03 1368### Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]
4477beac 1369
5f8e6c50
DMSP
1370 * Integration of the popular NO_RSA/NO_DSA patches
1371 * Initial support for compression inside the SSL record layer
1372 * Added BIO proxy and filtering functionality
1373 * Extended Big Number (BN) library
1374 * Added RIPE MD160 message digest
1375 * Added support for RC2/64bit cipher
1376 * Extended ASN.1 parser routines
1377 * Adjustments of the source tree for CVS
1378 * Support for various new platforms
4477beac 1379
4477beac
DMSP
1380<!-- Links -->
1381
1e13198f 1382[CVE-2020-1971]: https://www.openssl.org/news/vulnerabilities.html#CVE-2020-1971
6ffc3127 1383[CVE-2020-1967]: https://www.openssl.org/news/vulnerabilities.html#CVE-2020-1967
4477beac
DMSP
1384[CVE-2019-1563]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1563
1385[CVE-2019-1559]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1559
1386[CVE-2019-1552]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1552
8658fedd 1387[CVE-2019-1551]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1551
4477beac
DMSP
1388[CVE-2019-1549]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1549
1389[CVE-2019-1547]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1547
1390[CVE-2019-1543]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1543
1391[CVE-2018-5407]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-5407
1392[CVE-2018-0739]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0739
1393[CVE-2018-0737]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0737
1394[CVE-2018-0735]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0735
1395[CVE-2018-0734]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0734
1396[CVE-2018-0733]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0733
1397[CVE-2018-0732]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0732
1398[CVE-2017-3738]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3738
1399[CVE-2017-3737]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3737
1400[CVE-2017-3736]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3736
1401[CVE-2017-3735]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3735
1402[CVE-2017-3733]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3733
1403[CVE-2017-3732]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3732
1404[CVE-2017-3731]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3731
1405[CVE-2017-3730]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3730
1406[CVE-2016-7055]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7055
1407[CVE-2016-7054]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7054
1408[CVE-2016-7053]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7053
1409[CVE-2016-7052]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7052
1410[CVE-2016-6309]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6309
1411[CVE-2016-6308]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6308
1412[CVE-2016-6307]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6307
1413[CVE-2016-6306]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6306
1414[CVE-2016-6305]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6305
1415[CVE-2016-6304]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6304
1416[CVE-2016-6303]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6303
1417[CVE-2016-6302]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6302
1418[CVE-2016-2183]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2183
1419[CVE-2016-2182]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2182
1420[CVE-2016-2181]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2181
1421[CVE-2016-2180]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2180
1422[CVE-2016-2179]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2179
1423[CVE-2016-2178]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2178
1424[CVE-2016-2177]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2177
1425[CVE-2016-2176]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2176
1426[CVE-2016-2109]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2109
1427[CVE-2016-2107]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2107
1428[CVE-2016-2106]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2106
1429[CVE-2016-2105]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2105
1430[CVE-2016-0800]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0800
1431[CVE-2016-0799]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0799
1432[CVE-2016-0798]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0798
1433[CVE-2016-0797]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0797
1434[CVE-2016-0705]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0705
1435[CVE-2016-0702]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0702
1436[CVE-2016-0701]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0701
1437[CVE-2015-3197]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3197
1438[CVE-2015-3196]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3196
1439[CVE-2015-3195]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3195
1440[CVE-2015-3194]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3194
1441[CVE-2015-3193]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3193
1442[CVE-2015-1793]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1793
1443[CVE-2015-1792]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1792
1444[CVE-2015-1791]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1791
1445[CVE-2015-1790]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1790
1446[CVE-2015-1789]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1789
1447[CVE-2015-1788]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1788
1448[CVE-2015-1787]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1787
1449[CVE-2015-0293]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0293
1450[CVE-2015-0291]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0291
1451[CVE-2015-0290]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0290
1452[CVE-2015-0289]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0289
1453[CVE-2015-0288]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0288
1454[CVE-2015-0287]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0287
1455[CVE-2015-0286]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0286
1456[CVE-2015-0285]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0285
1457[CVE-2015-0209]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0209
1458[CVE-2015-0208]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0208
1459[CVE-2015-0207]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0207
1460[CVE-2015-0206]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0206
1461[CVE-2015-0205]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0205
1462[CVE-2015-0204]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0204
1463[CVE-2014-8275]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-8275
1464[CVE-2014-5139]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-5139
1465[CVE-2014-3572]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3572
1466[CVE-2014-3571]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3571
1467[CVE-2014-3570]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3570
1468[CVE-2014-3569]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3569
1469[CVE-2014-3568]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3568
1470[CVE-2014-3567]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3567
1471[CVE-2014-3566]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3566
1472[CVE-2014-3513]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3513
1473[CVE-2014-3512]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3512
1474[CVE-2014-3511]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3511
1475[CVE-2014-3510]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3510
1476[CVE-2014-3509]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3509
1477[CVE-2014-3508]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3508
1478[CVE-2014-3507]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3507
1479[CVE-2014-3506]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3506
1480[CVE-2014-3505]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3505
1481[CVE-2014-3470]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3470
1482[CVE-2014-0224]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0224
1483[CVE-2014-0221]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0221
1484[CVE-2014-0198]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0198
1485[CVE-2014-0195]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0195
1486[CVE-2014-0160]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0160
1487[CVE-2014-0076]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0076
1488[CVE-2013-6450]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-6450
1489[CVE-2013-6449]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-6449
1490[CVE-2013-4353]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-4353
1491[CVE-2013-0169]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-0169
1492[CVE-2013-0166]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-0166
1493[CVE-2012-2686]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-2686
1494[CVE-2012-2333]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-2333
1495[CVE-2012-2110]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-2110
1496[CVE-2012-0884]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-0884
1497[CVE-2012-0050]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-0050
1498[CVE-2012-0027]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-0027
1499[CVE-2011-4619]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4619
1500[CVE-2011-4577]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4577
1501[CVE-2011-4576]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4576
1502[CVE-2011-4108]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4108
1503[CVE-2011-3210]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-3210
1504[CVE-2011-3207]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-3207
1505[CVE-2011-0014]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-0014
1506[CVE-2010-5298]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-5298
1507[CVE-2010-4252]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-4252
1508[CVE-2010-4180]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-4180
1509[CVE-2010-3864]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-3864
1510[CVE-2010-2939]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-2939
1511[CVE-2010-1633]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-1633
1512[CVE-2010-0740]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-0740
1513[CVE-2010-0433]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-0433
1514[CVE-2009-3555]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-3555
1515[CVE-2009-0789]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-0789
1516[CVE-2009-0591]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-0591
1517[CVE-2009-0590]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-0590
1518[CVE-2008-5077]: https://www.openssl.org/news/vulnerabilities.html#CVE-2008-5077
1519[CVE-2006-4343]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-4343
1520[CVE-2006-4339]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-4339
1521[CVE-2006-3737]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-3737
1522[CVE-2006-2940]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-2940
1523[CVE-2006-2937]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-2937
1524[CVE-2005-2969]: https://www.openssl.org/news/vulnerabilities.html#CVE-2005-2969