]> git.ipfire.org Git - thirdparty/openssl.git/blame - NEWS.md
EVP demo for XOF digest using SHAKE256
[thirdparty/openssl.git] / NEWS.md
CommitLineData
5f8e6c50
DMSP
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
4477beac
DMSP
7OpenSSL Releases
8----------------
9
27272657 10 - [OpenSSL 3.1](#openssl-31)
4477beac
DMSP
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
27272657
RL
19OpenSSL 3.1
20-----------
21
22### Major changes between OpenSSL 3.0 and OpenSSL 3.1 [under development]
23
5eef9e1d
MC
24 * Subject or issuer names in X.509 objects are now displayed as UTF-8 strings
25 by default.
27272657 26
4477beac
DMSP
27OpenSSL 3.0
28-----------
29
5eef9e1d 30### Major changes between OpenSSL 3.0.0 and OpenSSL 3.0.1
1f8ca9e3 31
5eef9e1d
MC
32 * Fixed invalid handling of X509_verify_cert() internal errors in libssl
33 ([CVE-2021-4044])
34 * Allow fetching an operation from the provider that owns an unexportable key
35 as a fallback if that is still allowed by the property query.
36
37### Major changes between OpenSSL 1.1.1 and OpenSSL 3.0.0
4477beac 38
e567367a 39 * Enhanced 'openssl list' with many new options.
95a444c9
TM
40 * Added migration guide to man7.
41 * Implemented support for fully "pluggable" TLSv1.3 groups.
42 * Added suport for Kernel TLS (KTLS).
18fdebf1 43 * Changed the license to the Apache License v2.0.
c7d4d032
MC
44 * Moved all variations of the EVP ciphers CAST5, BF, IDEA, SEED, RC2,
45 RC4, RC5, and DES to the legacy provider.
46 * Moved the EVP digests MD2, MD4, MDC2, WHIRLPOOL and RIPEMD-160 to the legacy
47 provider.
f9253152 48 * Added convenience functions for generating asymmetric key pairs.
92bc61e4
RL
49 * Deprecated the `OCSP_REQ_CTX` type and functions.
50 * Deprecated the `EC_KEY` and `EC_KEY_METHOD` types and functions.
51 * Deprecated the `RSA` and `RSA_METHOD` types and functions.
52 * Deprecated the `DSA` and `DSA_METHOD` types and functions.
53 * Deprecated the `DH` and `DH_METHOD` types and functions.
f5a46ed7 54 * Deprecated the `ERR_load_` functions.
7d615e21 55 * Remove the `RAND_DRBG` API.
8dab4de5 56 * Deprecated the `ENGINE` API.
b4250010 57 * Added `OSSL_LIB_CTX`, a libcrypto library context.
95a444c9
TM
58 * Added various `_ex` functions to the OpenSSL API that support using
59 a non-default `OSSL_LIB_CTX`.
eca47139 60 * Interactive mode is removed from the 'openssl' program.
8b29bada
P
61 * The X25519, X448, Ed25519, Ed448, SHAKE128 and SHAKE256 algorithms are
62 included in the FIPS provider.
4477beac
DMSP
63 * X509 certificates signed using SHA1 are no longer allowed at security
64 level 1 or higher. The default security level for TLS is 1, so
65 certificates signed using SHA1 are by default no longer trusted to
66 authenticate servers or clients.
5f8e6c50
DMSP
67 * enable-crypto-mdebug and enable-crypto-mdebug-backtrace were mostly
68 disabled; the project uses address sanitize/leak-detect instead.
e7774c28
DDO
69 * Added a Certificate Management Protocol (CMP, RFC 4210) implementation
70 also covering CRMF (RFC 4211) and HTTP transfer (RFC 6712).
8d9a4d83 71 It is part of the crypto lib and adds a 'cmp' app with a demo configuration.
e7774c28 72 All widely used CMP features are supported for both clients and servers.
82990287
DDO
73 * Added a proper HTTP client supporting GET with optional redirection, POST,
74 arbitrary request and response content types, TLS, persistent connections,
75 connections via HTTP(s) proxies, connections and exchange via user-defined
76 BIOs (allowing implicit connections), and timeout checks.
16c6534b 77 * Added util/check-format.pl for checking adherence to the coding guidelines.
ece9304c 78 * Added OSSL_ENCODER, a generic encoder API.
02649104 79 * Added OSSL_DECODER, a generic decoder API.
be19d3ca 80 * Added OSSL_PARAM_BLD, an easier to use API to OSSL_PARAM.
5f8e6c50 81 * Added error raising macros, ERR_raise() and ERR_raise_data().
af2f14ac
RL
82 * Deprecated ERR_put_error(), ERR_get_error_line(), ERR_get_error_line_data(),
83 ERR_peek_error_line_data(), ERR_peek_last_error_line_data() and
84 ERR_func_error_string().
5f8e6c50
DMSP
85 * Added OSSL_PROVIDER_available(), to check provider availibility.
86 * Added 'openssl mac' that uses the EVP_MAC API.
87 * Added 'openssl kdf' that uses the EVP_KDF API.
88 * Add OPENSSL_info() and 'openssl info' to get built-in data.
89 * Add support for enabling instrumentation through trace and debug
90 output.
91 * Changed our version number scheme and set the next major release to
92 3.0.0
93 * Added EVP_MAC, an EVP layer MAC API, and a generic EVP_PKEY to EVP_MAC
42cf25fc 94 bridge. Supported MACs are: BLAKE2, CMAC, GMAC, HMAC, KMAC, POLY1305
8b29bada 95 and SIPHASH.
5f8e6c50 96 * Removed the heartbeat message in DTLS feature.
8b29bada
P
97 * Added EVP_KDF, an EVP layer KDF and PRF API, and a generic EVP_PKEY to
98 EVP_KDF bridge. Supported KDFs are: HKDF, KBKDF, KRB5 KDF, PBKDF2,
99 PKCS12 KDF, SCRYPT, SSH KDF, SSKDF, TLS1 PRF, X9.42 KDF and X9.63 KDF.
8c1cbc72 100 * All of the low-level MD2, MD4, MD5, MDC2, RIPEMD160, SHA1, SHA224,
4477beac
DMSP
101 SHA256, SHA384, SHA512 and Whirlpool digest functions have been
102 deprecated.
8c1cbc72 103 * All of the low-level AES, Blowfish, Camellia, CAST, DES, IDEA, RC2,
4477beac 104 RC4, RC5 and SEED cipher functions have been deprecated.
8c1cbc72 105 * All of the low-level DH, DSA, ECDH, ECDSA and RSA public key functions
4477beac 106 have been deprecated.
aba03ae5 107 * SSL 3, TLS 1.0, TLS 1.1, and DTLS 1.0 only work at security level 0.
8e7d941a
RL
108 * Added providers, a new pluggability concept that will replace the
109 ENGINE API and ENGINE implementations.
4477beac
DMSP
110
111OpenSSL 1.1.1
112-------------
113
796f4f70 114### Major changes between OpenSSL 1.1.1k and OpenSSL 1.1.1l [24 Aug 2021]
fdd43643 115
796f4f70
MC
116 * Fixed an SM2 Decryption Buffer Overflow ([CVE-2021-3711])
117 * Fixed various read buffer overruns processing ASN.1 strings ([CVE-2021-3712])
118
119### Major changes between OpenSSL 1.1.1j and OpenSSL 1.1.1k [25 Mar 2021]
c913dbd7 120
468d9d55
MC
121 * Fixed a problem with verifying a certificate chain when using the
122 X509_V_FLAG_X509_STRICT flag ([CVE-2021-3450])
123 * Fixed an issue where an OpenSSL TLS server may crash if sent a maliciously
124 crafted renegotiation ClientHello message from a client ([CVE-2021-3449])
125
c913dbd7
MC
126### Major changes between OpenSSL 1.1.1i and OpenSSL 1.1.1j [16 Feb 2021]
127
128 * Fixed a NULL pointer deref in the X509_issuer_and_serial_hash()
129 function ([CVE-2021-23841])
130 * Fixed the RSA_padding_check_SSLv23() function and the RSA_SSLV23_PADDING
131 padding mode to correctly check for rollback attacks
132 * Fixed an overflow in the EVP_CipherUpdate, EVP_EncryptUpdate and
133 EVP_DecryptUpdate functions ([CVE-2021-23840])
134 * Fixed SRP_Calc_client_key so that it runs in constant time
135
136### Major changes between OpenSSL 1.1.1h and OpenSSL 1.1.1i [8 Dec 2020]
8658fedd 137
1e13198f 138 * Fixed NULL pointer deref in GENERAL_NAME_cmp ([CVE-2020-1971])
8658fedd 139
6ffc3127
DMSP
140### Major changes between OpenSSL 1.1.1g and OpenSSL 1.1.1h [22 Sep 2020]
141
142 * Disallow explicit curve parameters in verifications chains when
143 X509_V_FLAG_X509_STRICT is used
144 * Enable 'MinProtocol' and 'MaxProtocol' to configure both TLS and DTLS
145 contexts
146 * Oracle Developer Studio will start reporting deprecation warnings
147
148### Major changes between OpenSSL 1.1.1f and OpenSSL 1.1.1g [21 Apr 2020]
149
d8dc8538 150 * Fixed segmentation fault in SSL_check_chain() ([CVE-2020-1967])
6ffc3127
DMSP
151
152### Major changes between OpenSSL 1.1.1e and OpenSSL 1.1.1f [31 Mar 2020]
153
154 * Revert the unexpected EOF reporting via SSL_ERROR_SSL
155
257e9d03 156### Major changes between OpenSSL 1.1.1d and OpenSSL 1.1.1e [17 Mar 2020]
8658fedd
DMSP
157
158 * Fixed an overflow bug in the x64_64 Montgomery squaring procedure
d8dc8538 159 used in exponentiation with 512-bit moduli ([CVE-2019-1551])
8658fedd 160
257e9d03 161### Major changes between OpenSSL 1.1.1c and OpenSSL 1.1.1d [10 Sep 2019]
4477beac 162
d8dc8538 163 * Fixed a fork protection issue ([CVE-2019-1549])
4477beac 164 * Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey
d8dc8538 165 ([CVE-2019-1563])
4477beac
DMSP
166 * For built-in EC curves, ensure an EC_GROUP built from the curve name is
167 used even when parsing explicit parameters
168 * Compute ECC cofactors if not provided during EC_GROUP construction
d8dc8538 169 ([CVE-2019-1547])
4477beac
DMSP
170 * Early start up entropy quality from the DEVRANDOM seed source has been
171 improved for older Linux systems
172 * Correct the extended master secret constant on EBCDIC systems
d8dc8538 173 * Use Windows installation paths in the mingw builds ([CVE-2019-1552])
4477beac
DMSP
174 * Changed DH_check to accept parameters with order q and 2q subgroups
175 * Significantly reduce secure memory usage by the randomness pools
176 * Revert the DEVRANDOM_WAIT feature for Linux systems
177
257e9d03 178### Major changes between OpenSSL 1.1.1b and OpenSSL 1.1.1c [28 May 2019]
4477beac 179
d8dc8538 180 * Prevent over long nonces in ChaCha20-Poly1305 ([CVE-2019-1543])
4477beac 181
257e9d03 182### Major changes between OpenSSL 1.1.1a and OpenSSL 1.1.1b [26 Feb 2019]
4477beac
DMSP
183
184 * Change the info callback signals for the start and end of a post-handshake
185 message exchange in TLSv1.3.
186 * Fix a bug in DTLS over SCTP. This breaks interoperability with older
187 versions of OpenSSL like OpenSSL 1.1.0 and OpenSSL 1.0.2.
5f8e6c50 188
257e9d03 189### Major changes between OpenSSL 1.1.1 and OpenSSL 1.1.1a [20 Nov 2018]
5f8e6c50 190
d8dc8538
DMSP
191 * Timing vulnerability in DSA signature generation ([CVE-2018-0734])
192 * Timing vulnerability in ECDSA signature generation ([CVE-2018-0735])
5f8e6c50 193
257e9d03 194### Major changes between OpenSSL 1.1.0i and OpenSSL 1.1.1 [11 Sep 2018]
5f8e6c50 195
4477beac 196 * Support for TLSv1.3 added. The TLSv1.3 implementation includes:
257e9d03
RS
197 * Fully compliant implementation of RFC8446 (TLSv1.3) on by default
198 * Early data (0-RTT)
199 * Post-handshake authentication and key update
200 * Middlebox Compatibility Mode
201 * TLSv1.3 PSKs
202 * Support for all five RFC8446 ciphersuites
203 * RSA-PSS signature algorithms (backported to TLSv1.2)
204 * Configurable session ticket support
205 * Stateless server support
206 * Rewrite of the packet construction code for "safer" packet handling
207 * Rewrite of the extension handling code
4477beac
DMSP
208 For further important information, see the [TLS1.3 page](
209 https://wiki.openssl.org/index.php/TLS1.3) in the OpenSSL Wiki.
210
5f8e6c50
DMSP
211 * Complete rewrite of the OpenSSL random number generator to introduce the
212 following capabilities
213 * The default RAND method now utilizes an AES-CTR DRBG according to
214 NIST standard SP 800-90Ar1.
215 * Support for multiple DRBG instances with seed chaining.
216 * There is a public and private DRBG instance.
217 * The DRBG instances are fork-safe.
218 * Keep all global DRBG instances on the secure heap if it is enabled.
219 * The public and private DRBG instance are per thread for lock free
220 operation
221 * Support for various new cryptographic algorithms including:
222 * SHA3
223 * SHA512/224 and SHA512/256
224 * EdDSA (both Ed25519 and Ed448) including X509 and TLS support
225 * X448 (adding to the existing X25519 support in 1.1.0)
226 * Multi-prime RSA
227 * SM2
228 * SM3
229 * SM4
230 * SipHash
231 * ARIA (including TLS support)
232 * Significant Side-Channel attack security improvements
233 * Add a new ClientHello callback to provide the ability to adjust the SSL
234 object at an early stage.
235 * Add 'Maximum Fragment Length' TLS extension negotiation and support
236 * A new STORE module, which implements a uniform and URI based reader of
237 stores that can contain keys, certificates, CRLs and numerous other
238 objects.
239 * Move the display of configuration data to configdata.pm.
240 * Allow GNU style "make variables" to be used with Configure.
241 * Claim the namespaces OSSL and OPENSSL, represented as symbol prefixes
242 * Rewrite of devcrypto engine
243
4477beac
DMSP
244OpenSSL 1.1.0
245-------------
246
257e9d03 247### Major changes between OpenSSL 1.1.0k and OpenSSL 1.1.0l [10 Sep 2019]
4477beac
DMSP
248
249 * Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey
d8dc8538 250 ([CVE-2019-1563])
4477beac
DMSP
251 * For built-in EC curves, ensure an EC_GROUP built from the curve name is
252 used even when parsing explicit parameters
253 * Compute ECC cofactors if not provided during EC_GROUP construction
d8dc8538
DMSP
254 ([CVE-2019-1547])
255 * Use Windows installation paths in the mingw builds ([CVE-2019-1552])
4477beac 256
257e9d03 257### Major changes between OpenSSL 1.1.0j and OpenSSL 1.1.0k [28 May 2019]
4477beac 258
d8dc8538 259 * Prevent over long nonces in ChaCha20-Poly1305 ([CVE-2019-1543])
4477beac 260
257e9d03 261### Major changes between OpenSSL 1.1.0i and OpenSSL 1.1.0j [20 Nov 2018]
4477beac 262
d8dc8538
DMSP
263 * Timing vulnerability in DSA signature generation ([CVE-2018-0734])
264 * Timing vulnerability in ECDSA signature generation ([CVE-2018-0735])
4477beac 265
257e9d03 266### Major changes between OpenSSL 1.1.0h and OpenSSL 1.1.0i [14 Aug 2018]
5f8e6c50 267
d8dc8538
DMSP
268 * Client DoS due to large DH parameter ([CVE-2018-0732])
269 * Cache timing vulnerability in RSA Key Generation ([CVE-2018-0737])
4477beac 270
257e9d03 271### Major changes between OpenSSL 1.1.0g and OpenSSL 1.1.0h [27 Mar 2018]
5f8e6c50
DMSP
272
273 * Constructed ASN.1 types with a recursive definition could exceed the
d8dc8538
DMSP
274 stack ([CVE-2018-0739])
275 * Incorrect CRYPTO_memcmp on HP-UX PA-RISC ([CVE-2018-0733])
276 * rsaz_1024_mul_avx2 overflow bug on x86_64 ([CVE-2017-3738])
5f8e6c50 277
257e9d03 278### Major changes between OpenSSL 1.1.0f and OpenSSL 1.1.0g [2 Nov 2017]
5f8e6c50 279
d8dc8538
DMSP
280 * bn_sqrx8x_internal carry bug on x86_64 ([CVE-2017-3736])
281 * Malformed X.509 IPAddressFamily could cause OOB read ([CVE-2017-3735])
5f8e6c50 282
257e9d03 283### Major changes between OpenSSL 1.1.0e and OpenSSL 1.1.0f [25 May 2017]
5f8e6c50
DMSP
284
285 * config now recognises 64-bit mingw and chooses mingw64 instead of mingw
286
257e9d03 287### Major changes between OpenSSL 1.1.0d and OpenSSL 1.1.0e [16 Feb 2017]
5f8e6c50 288
d8dc8538 289 * Encrypt-Then-Mac renegotiation crash ([CVE-2017-3733])
5f8e6c50 290
257e9d03 291### Major changes between OpenSSL 1.1.0c and OpenSSL 1.1.0d [26 Jan 2017]
5f8e6c50 292
d8dc8538
DMSP
293 * Truncated packet could crash via OOB read ([CVE-2017-3731])
294 * Bad (EC)DHE parameters cause a client crash ([CVE-2017-3730])
295 * BN_mod_exp may produce incorrect results on x86_64 ([CVE-2017-3732])
5f8e6c50 296
257e9d03 297### Major changes between OpenSSL 1.1.0b and OpenSSL 1.1.0c [10 Nov 2016]
5f8e6c50 298
d8dc8538
DMSP
299 * ChaCha20/Poly1305 heap-buffer-overflow ([CVE-2016-7054])
300 * CMS Null dereference ([CVE-2016-7053])
301 * Montgomery multiplication may produce incorrect results ([CVE-2016-7055])
5f8e6c50 302
257e9d03 303### Major changes between OpenSSL 1.1.0a and OpenSSL 1.1.0b [26 Sep 2016]
5f8e6c50 304
d8dc8538 305 * Fix Use After Free for large message sizes ([CVE-2016-6309])
5f8e6c50 306
257e9d03 307### Major changes between OpenSSL 1.1.0 and OpenSSL 1.1.0a [22 Sep 2016]
5f8e6c50 308
d8dc8538
DMSP
309 * OCSP Status Request extension unbounded memory growth ([CVE-2016-6304])
310 * SSL_peek() hang on empty record ([CVE-2016-6305])
5f8e6c50 311 * Excessive allocation of memory in tls_get_message_header()
d8dc8538 312 ([CVE-2016-6307])
5f8e6c50 313 * Excessive allocation of memory in dtls1_preprocess_fragment()
d8dc8538 314 ([CVE-2016-6308])
5f8e6c50 315
257e9d03 316### Major changes between OpenSSL 1.0.2h and OpenSSL 1.1.0 [25 Aug 2016]
5f8e6c50
DMSP
317
318 * Copyright text was shrunk to a boilerplate that points to the license
319 * "shared" builds are now the default when possible
320 * Added support for "pipelining"
321 * Added the AFALG engine
322 * New threading API implemented
323 * Support for ChaCha20 and Poly1305 added to libcrypto and libssl
324 * Support for extended master secret
325 * CCM ciphersuites
326 * Reworked test suite, now based on perl, Test::Harness and Test::More
327 * *Most* libcrypto and libssl public structures were made opaque,
328 including:
329 BIGNUM and associated types, EC_KEY and EC_KEY_METHOD,
330 DH and DH_METHOD, DSA and DSA_METHOD, RSA and RSA_METHOD,
331 BIO and BIO_METHOD, EVP_MD_CTX, EVP_MD, EVP_CIPHER_CTX,
332 EVP_CIPHER, EVP_PKEY and associated types, HMAC_CTX,
333 X509, X509_CRL, X509_OBJECT, X509_STORE_CTX, X509_STORE,
334 X509_LOOKUP, X509_LOOKUP_METHOD
335 * libssl internal structures made opaque
336 * SSLv2 support removed
337 * Kerberos ciphersuite support removed
338 * RC4 removed from DEFAULT ciphersuites in libssl
339 * 40 and 56 bit cipher support removed from libssl
340 * All public header files moved to include/openssl, no more symlinking
341 * SSL/TLS state machine, version negotiation and record layer rewritten
342 * EC revision: now operations use new EC_KEY_METHOD.
343 * Support for OCB mode added to libcrypto
344 * Support for asynchronous crypto operations added to libcrypto and libssl
345 * Deprecated interfaces can now be disabled at build time either
346 relative to the latest release via the "no-deprecated" Configure
347 argument, or via the "--api=1.1.0|1.0.0|0.9.8" option.
348 * Application software can be compiled with -DOPENSSL_API_COMPAT=version
349 to ensure that features deprecated in that version are not exposed.
350 * Support for RFC6698/RFC7671 DANE TLSA peer authentication
351 * Change of Configure to use --prefix as the main installation
352 directory location rather than --openssldir. The latter becomes
353 the directory for certs, private key and openssl.cnf exclusively.
354 * Reworked BIO networking library, with full support for IPv6.
355 * New "unified" build system
356 * New security levels
357 * Support for scrypt algorithm
358 * Support for X25519
359 * Extended SSL_CONF support using configuration files
360 * KDF algorithm support. Implement TLS PRF as a KDF.
361 * Support for Certificate Transparency
362 * HKDF support.
363
4477beac
DMSP
364OpenSSL 1.0.2
365-------------
366
257e9d03 367### Major changes between OpenSSL 1.0.2s and OpenSSL 1.0.2t [10 Sep 2019]
4477beac
DMSP
368
369 * Fixed a padding oracle in PKCS7_dataDecode and CMS_decrypt_set1_pkey
d8dc8538 370 ([CVE-2019-1563])
4477beac
DMSP
371 * For built-in EC curves, ensure an EC_GROUP built from the curve name is
372 used even when parsing explicit parameters
373 * Compute ECC cofactors if not provided during EC_GROUP construction
d8dc8538 374 ([CVE-2019-1547])
4477beac 375 * Document issue with installation paths in diverse Windows builds
d8dc8538 376 ([CVE-2019-1552])
4477beac 377
257e9d03 378### Major changes between OpenSSL 1.0.2r and OpenSSL 1.0.2s [28 May 2019]
4477beac
DMSP
379
380 * None
381
257e9d03 382### Major changes between OpenSSL 1.0.2q and OpenSSL 1.0.2r [26 Feb 2019]
4477beac 383
d8dc8538 384 * 0-byte record padding oracle ([CVE-2019-1559])
4477beac 385
257e9d03 386### Major changes between OpenSSL 1.0.2p and OpenSSL 1.0.2q [20 Nov 2018]
4477beac 387
d8dc8538
DMSP
388 * Microarchitecture timing vulnerability in ECC scalar multiplication ([CVE-2018-5407])
389 * Timing vulnerability in DSA signature generation ([CVE-2018-0734])
4477beac 390
257e9d03 391### Major changes between OpenSSL 1.0.2o and OpenSSL 1.0.2p [14 Aug 2018]
4477beac 392
d8dc8538
DMSP
393 * Client DoS due to large DH parameter ([CVE-2018-0732])
394 * Cache timing vulnerability in RSA Key Generation ([CVE-2018-0737])
4477beac 395
257e9d03 396### Major changes between OpenSSL 1.0.2n and OpenSSL 1.0.2o [27 Mar 2018]
4477beac
DMSP
397
398 * Constructed ASN.1 types with a recursive definition could exceed the
d8dc8538 399 stack ([CVE-2018-0739])
4477beac 400
257e9d03 401### Major changes between OpenSSL 1.0.2m and OpenSSL 1.0.2n [7 Dec 2017]
4477beac 402
d8dc8538
DMSP
403 * Read/write after SSL object in error state ([CVE-2017-3737])
404 * rsaz_1024_mul_avx2 overflow bug on x86_64 ([CVE-2017-3738])
4477beac 405
257e9d03 406### Major changes between OpenSSL 1.0.2l and OpenSSL 1.0.2m [2 Nov 2017]
4477beac 407
d8dc8538
DMSP
408 * bn_sqrx8x_internal carry bug on x86_64 ([CVE-2017-3736])
409 * Malformed X.509 IPAddressFamily could cause OOB read ([CVE-2017-3735])
4477beac 410
257e9d03 411### Major changes between OpenSSL 1.0.2k and OpenSSL 1.0.2l [25 May 2017]
4477beac
DMSP
412
413 * config now recognises 64-bit mingw and chooses mingw64 instead of mingw
414
257e9d03 415### Major changes between OpenSSL 1.0.2j and OpenSSL 1.0.2k [26 Jan 2017]
4477beac 416
d8dc8538
DMSP
417 * Truncated packet could crash via OOB read ([CVE-2017-3731])
418 * BN_mod_exp may produce incorrect results on x86_64 ([CVE-2017-3732])
419 * Montgomery multiplication may produce incorrect results ([CVE-2016-7055])
4477beac 420
257e9d03 421### Major changes between OpenSSL 1.0.2i and OpenSSL 1.0.2j [26 Sep 2016]
4477beac 422
d8dc8538 423 * Missing CRL sanity check ([CVE-2016-7052])
4477beac 424
257e9d03 425### Major changes between OpenSSL 1.0.2h and OpenSSL 1.0.2i [22 Sep 2016]
4477beac 426
d8dc8538
DMSP
427 * OCSP Status Request extension unbounded memory growth ([CVE-2016-6304])
428 * SWEET32 Mitigation ([CVE-2016-2183])
429 * OOB write in MDC2_Update() ([CVE-2016-6303])
430 * Malformed SHA512 ticket DoS ([CVE-2016-6302])
431 * OOB write in BN_bn2dec() ([CVE-2016-2182])
432 * OOB read in TS_OBJ_print_bio() ([CVE-2016-2180])
433 * Pointer arithmetic undefined behaviour ([CVE-2016-2177])
434 * Constant time flag not preserved in DSA signing ([CVE-2016-2178])
435 * DTLS buffered message DoS ([CVE-2016-2179])
436 * DTLS replay protection DoS ([CVE-2016-2181])
437 * Certificate message OOB reads ([CVE-2016-6306])
4477beac 438
257e9d03 439### Major changes between OpenSSL 1.0.2g and OpenSSL 1.0.2h [3 May 2016]
4477beac 440
d8dc8538
DMSP
441 * Prevent padding oracle in AES-NI CBC MAC check ([CVE-2016-2107])
442 * Fix EVP_EncodeUpdate overflow ([CVE-2016-2105])
443 * Fix EVP_EncryptUpdate overflow ([CVE-2016-2106])
444 * Prevent ASN.1 BIO excessive memory allocation ([CVE-2016-2109])
445 * EBCDIC overread ([CVE-2016-2176])
5f8e6c50
DMSP
446 * Modify behavior of ALPN to invoke callback after SNI/servername
447 callback, such that updates to the SSL_CTX affect ALPN.
448 * Remove LOW from the DEFAULT cipher list. This removes singles DES from
449 the default.
450 * Only remove the SSLv2 methods with the no-ssl2-method option.
451
257e9d03 452### Major changes between OpenSSL 1.0.2f and OpenSSL 1.0.2g [1 Mar 2016]
5f8e6c50
DMSP
453
454 * Disable weak ciphers in SSLv3 and up in default builds of OpenSSL.
455 * Disable SSLv2 default build, default negotiation and weak ciphers
d8dc8538
DMSP
456 ([CVE-2016-0800])
457 * Fix a double-free in DSA code ([CVE-2016-0705])
5f8e6c50 458 * Disable SRP fake user seed to address a server memory leak
d8dc8538 459 ([CVE-2016-0798])
5f8e6c50 460 * Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption
d8dc8538
DMSP
461 ([CVE-2016-0797])
462 * Fix memory issues in BIO_*printf functions ([CVE-2016-0799])
463 * Fix side channel attack on modular exponentiation ([CVE-2016-0702])
5f8e6c50 464
257e9d03 465### Major changes between OpenSSL 1.0.2e and OpenSSL 1.0.2f [28 Jan 2016]
5f8e6c50 466
d8dc8538
DMSP
467 * DH small subgroups ([CVE-2016-0701])
468 * SSLv2 doesn't block disabled ciphers ([CVE-2015-3197])
5f8e6c50 469
257e9d03 470### Major changes between OpenSSL 1.0.2d and OpenSSL 1.0.2e [3 Dec 2015]
5f8e6c50 471
d8dc8538
DMSP
472 * BN_mod_exp may produce incorrect results on x86_64 ([CVE-2015-3193])
473 * Certificate verify crash with missing PSS parameter ([CVE-2015-3194])
474 * X509_ATTRIBUTE memory leak ([CVE-2015-3195])
5f8e6c50
DMSP
475 * Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs
476 * In DSA_generate_parameters_ex, if the provided seed is too short,
477 return an error
478
257e9d03 479### Major changes between OpenSSL 1.0.2c and OpenSSL 1.0.2d [9 Jul 2015]
5f8e6c50 480
d8dc8538
DMSP
481 * Alternate chains certificate forgery ([CVE-2015-1793])
482 * Race condition handling PSK identify hint ([CVE-2015-3196])
5f8e6c50 483
257e9d03 484### Major changes between OpenSSL 1.0.2b and OpenSSL 1.0.2c [12 Jun 2015]
5f8e6c50
DMSP
485
486 * Fix HMAC ABI incompatibility
487
257e9d03 488### Major changes between OpenSSL 1.0.2a and OpenSSL 1.0.2b [11 Jun 2015]
4477beac 489
d8dc8538
DMSP
490 * Malformed ECParameters causes infinite loop ([CVE-2015-1788])
491 * Exploitable out-of-bounds read in X509_cmp_time ([CVE-2015-1789])
492 * PKCS7 crash with missing EnvelopedContent ([CVE-2015-1790])
493 * CMS verify infinite loop with unknown hash function ([CVE-2015-1792])
494 * Race condition handling NewSessionTicket ([CVE-2015-1791])
4477beac 495
257e9d03 496### Major changes between OpenSSL 1.0.2 and OpenSSL 1.0.2a [19 Mar 2015]
4477beac 497
d8dc8538
DMSP
498 * OpenSSL 1.0.2 ClientHello sigalgs DoS fix ([CVE-2015-0291])
499 * Multiblock corrupted pointer fix ([CVE-2015-0290])
500 * Segmentation fault in DTLSv1_listen fix ([CVE-2015-0207])
501 * Segmentation fault in ASN1_TYPE_cmp fix ([CVE-2015-0286])
502 * Segmentation fault for invalid PSS parameters fix ([CVE-2015-0208])
503 * ASN.1 structure reuse memory corruption fix ([CVE-2015-0287])
504 * PKCS7 NULL pointer dereferences fix ([CVE-2015-0289])
505 * DoS via reachable assert in SSLv2 servers fix ([CVE-2015-0293])
506 * Empty CKE with client auth and DHE fix ([CVE-2015-1787])
507 * Handshake with unseeded PRNG fix ([CVE-2015-0285])
508 * Use After Free following d2i_ECPrivatekey error fix ([CVE-2015-0209])
509 * X509_to_X509_REQ NULL pointer deref fix ([CVE-2015-0288])
5f8e6c50
DMSP
510 * Removed the export ciphers from the DEFAULT ciphers
511
257e9d03 512### Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.2 [22 Jan 2015]
5f8e6c50
DMSP
513
514 * Suite B support for TLS 1.2 and DTLS 1.2
515 * Support for DTLS 1.2
516 * TLS automatic EC curve selection.
517 * API to set TLS supported signature algorithms and curves
518 * SSL_CONF configuration API.
519 * TLS Brainpool support.
520 * ALPN support.
521 * CMS support for RSA-PSS, RSA-OAEP, ECDH and X9.42 DH.
522
4477beac
DMSP
523OpenSSL 1.0.1
524-------------
525
257e9d03 526### Major changes between OpenSSL 1.0.1t and OpenSSL 1.0.1u [22 Sep 2016]
4477beac 527
d8dc8538
DMSP
528 * OCSP Status Request extension unbounded memory growth ([CVE-2016-6304])
529 * SWEET32 Mitigation ([CVE-2016-2183])
530 * OOB write in MDC2_Update() ([CVE-2016-6303])
531 * Malformed SHA512 ticket DoS ([CVE-2016-6302])
532 * OOB write in BN_bn2dec() ([CVE-2016-2182])
533 * OOB read in TS_OBJ_print_bio() ([CVE-2016-2180])
534 * Pointer arithmetic undefined behaviour ([CVE-2016-2177])
535 * Constant time flag not preserved in DSA signing ([CVE-2016-2178])
536 * DTLS buffered message DoS ([CVE-2016-2179])
537 * DTLS replay protection DoS ([CVE-2016-2181])
538 * Certificate message OOB reads ([CVE-2016-6306])
4477beac 539
257e9d03 540### Major changes between OpenSSL 1.0.1s and OpenSSL 1.0.1t [3 May 2016]
4477beac 541
d8dc8538
DMSP
542 * Prevent padding oracle in AES-NI CBC MAC check ([CVE-2016-2107])
543 * Fix EVP_EncodeUpdate overflow ([CVE-2016-2105])
544 * Fix EVP_EncryptUpdate overflow ([CVE-2016-2106])
545 * Prevent ASN.1 BIO excessive memory allocation ([CVE-2016-2109])
546 * EBCDIC overread ([CVE-2016-2176])
4477beac
DMSP
547 * Modify behavior of ALPN to invoke callback after SNI/servername
548 callback, such that updates to the SSL_CTX affect ALPN.
549 * Remove LOW from the DEFAULT cipher list. This removes singles DES from
550 the default.
551 * Only remove the SSLv2 methods with the no-ssl2-method option.
552
257e9d03 553### Major changes between OpenSSL 1.0.1r and OpenSSL 1.0.1s [1 Mar 2016]
4477beac
DMSP
554
555 * Disable weak ciphers in SSLv3 and up in default builds of OpenSSL.
556 * Disable SSLv2 default build, default negotiation and weak ciphers
d8dc8538
DMSP
557 ([CVE-2016-0800])
558 * Fix a double-free in DSA code ([CVE-2016-0705])
4477beac 559 * Disable SRP fake user seed to address a server memory leak
d8dc8538 560 ([CVE-2016-0798])
4477beac 561 * Fix BN_hex2bn/BN_dec2bn NULL pointer deref/heap corruption
d8dc8538
DMSP
562 ([CVE-2016-0797])
563 * Fix memory issues in BIO_*printf functions ([CVE-2016-0799])
564 * Fix side channel attack on modular exponentiation ([CVE-2016-0702])
4477beac 565
257e9d03 566### Major changes between OpenSSL 1.0.1q and OpenSSL 1.0.1r [28 Jan 2016]
4477beac
DMSP
567
568 * Protection for DH small subgroup attacks
d8dc8538 569 * SSLv2 doesn't block disabled ciphers ([CVE-2015-3197])
4477beac 570
257e9d03 571### Major changes between OpenSSL 1.0.1p and OpenSSL 1.0.1q [3 Dec 2015]
4477beac 572
d8dc8538
DMSP
573 * Certificate verify crash with missing PSS parameter ([CVE-2015-3194])
574 * X509_ATTRIBUTE memory leak ([CVE-2015-3195])
4477beac
DMSP
575 * Rewrite EVP_DecodeUpdate (base64 decoding) to fix several bugs
576 * In DSA_generate_parameters_ex, if the provided seed is too short,
577 return an error
578
257e9d03 579### Major changes between OpenSSL 1.0.1o and OpenSSL 1.0.1p [9 Jul 2015]
4477beac 580
d8dc8538
DMSP
581 * Alternate chains certificate forgery ([CVE-2015-1793])
582 * Race condition handling PSK identify hint ([CVE-2015-3196])
4477beac 583
257e9d03 584### Major changes between OpenSSL 1.0.1n and OpenSSL 1.0.1o [12 Jun 2015]
4477beac
DMSP
585
586 * Fix HMAC ABI incompatibility
587
257e9d03 588### Major changes between OpenSSL 1.0.1m and OpenSSL 1.0.1n [11 Jun 2015]
4477beac 589
d8dc8538
DMSP
590 * Malformed ECParameters causes infinite loop ([CVE-2015-1788])
591 * Exploitable out-of-bounds read in X509_cmp_time ([CVE-2015-1789])
592 * PKCS7 crash with missing EnvelopedContent ([CVE-2015-1790])
593 * CMS verify infinite loop with unknown hash function ([CVE-2015-1792])
594 * Race condition handling NewSessionTicket ([CVE-2015-1791])
4477beac 595
257e9d03 596### Major changes between OpenSSL 1.0.1l and OpenSSL 1.0.1m [19 Mar 2015]
4477beac 597
d8dc8538
DMSP
598 * Segmentation fault in ASN1_TYPE_cmp fix ([CVE-2015-0286])
599 * ASN.1 structure reuse memory corruption fix ([CVE-2015-0287])
600 * PKCS7 NULL pointer dereferences fix ([CVE-2015-0289])
601 * DoS via reachable assert in SSLv2 servers fix ([CVE-2015-0293])
602 * Use After Free following d2i_ECPrivatekey error fix ([CVE-2015-0209])
603 * X509_to_X509_REQ NULL pointer deref fix ([CVE-2015-0288])
4477beac
DMSP
604 * Removed the export ciphers from the DEFAULT ciphers
605
257e9d03 606### Major changes between OpenSSL 1.0.1k and OpenSSL 1.0.1l [15 Jan 2015]
5f8e6c50
DMSP
607
608 * Build fixes for the Windows and OpenVMS platforms
609
257e9d03 610### Major changes between OpenSSL 1.0.1j and OpenSSL 1.0.1k [8 Jan 2015]
4477beac 611
d8dc8538
DMSP
612 * Fix for [CVE-2014-3571]
613 * Fix for [CVE-2015-0206]
614 * Fix for [CVE-2014-3569]
615 * Fix for [CVE-2014-3572]
616 * Fix for [CVE-2015-0204]
617 * Fix for [CVE-2015-0205]
618 * Fix for [CVE-2014-8275]
619 * Fix for [CVE-2014-3570]
4477beac 620
257e9d03 621### Major changes between OpenSSL 1.0.1i and OpenSSL 1.0.1j [15 Oct 2014]
4477beac 622
d8dc8538
DMSP
623 * Fix for [CVE-2014-3513]
624 * Fix for [CVE-2014-3567]
625 * Mitigation for [CVE-2014-3566] (SSL protocol vulnerability)
626 * Fix for [CVE-2014-3568]
4477beac 627
257e9d03 628### Major changes between OpenSSL 1.0.1h and OpenSSL 1.0.1i [6 Aug 2014]
4477beac 629
d8dc8538
DMSP
630 * Fix for [CVE-2014-3512]
631 * Fix for [CVE-2014-3511]
632 * Fix for [CVE-2014-3510]
633 * Fix for [CVE-2014-3507]
634 * Fix for [CVE-2014-3506]
635 * Fix for [CVE-2014-3505]
636 * Fix for [CVE-2014-3509]
637 * Fix for [CVE-2014-5139]
638 * Fix for [CVE-2014-3508]
4477beac 639
257e9d03 640### Major changes between OpenSSL 1.0.1g and OpenSSL 1.0.1h [5 Jun 2014]
4477beac 641
d8dc8538
DMSP
642 * Fix for [CVE-2014-0224]
643 * Fix for [CVE-2014-0221]
644 * Fix for [CVE-2014-0198]
645 * Fix for [CVE-2014-0195]
646 * Fix for [CVE-2014-3470]
647 * Fix for [CVE-2010-5298]
4477beac 648
257e9d03 649### Major changes between OpenSSL 1.0.1f and OpenSSL 1.0.1g [7 Apr 2014]
4477beac 650
d8dc8538 651 * Fix for [CVE-2014-0160]
5f8e6c50 652 * Add TLS padding extension workaround for broken servers.
d8dc8538 653 * Fix for [CVE-2014-0076]
5f8e6c50 654
257e9d03 655### Major changes between OpenSSL 1.0.1e and OpenSSL 1.0.1f [6 Jan 2014]
5f8e6c50
DMSP
656
657 * Don't include gmt_unix_time in TLS server and client random values
d8dc8538
DMSP
658 * Fix for TLS record tampering bug ([CVE-2013-4353])
659 * Fix for TLS version checking bug ([CVE-2013-6449])
660 * Fix for DTLS retransmission bug ([CVE-2013-6450])
5f8e6c50 661
257e9d03 662### Major changes between OpenSSL 1.0.1d and OpenSSL 1.0.1e [11 Feb 2013]
5f8e6c50 663
d8dc8538 664 * Corrected fix for ([CVE-2013-0169])
5f8e6c50 665
257e9d03 666### Major changes between OpenSSL 1.0.1c and OpenSSL 1.0.1d [4 Feb 2013]
5f8e6c50
DMSP
667
668 * Fix renegotiation in TLS 1.1, 1.2 by using the correct TLS version.
669 * Include the fips configuration module.
d8dc8538
DMSP
670 * Fix OCSP bad key DoS attack ([CVE-2013-0166])
671 * Fix for SSL/TLS/DTLS CBC plaintext recovery attack ([CVE-2013-0169])
672 * Fix for TLS AESNI record handling flaw ([CVE-2012-2686])
5f8e6c50 673
257e9d03 674### Major changes between OpenSSL 1.0.1b and OpenSSL 1.0.1c [10 May 2012]
5f8e6c50 675
d8dc8538 676 * Fix TLS/DTLS record length checking bug ([CVE-2012-2333])
5f8e6c50
DMSP
677 * Don't attempt to use non-FIPS composite ciphers in FIPS mode.
678
257e9d03 679### Major changes between OpenSSL 1.0.1a and OpenSSL 1.0.1b [26 Apr 2012]
5f8e6c50
DMSP
680
681 * Fix compilation error on non-x86 platforms.
682 * Make FIPS capable OpenSSL ciphers work in non-FIPS mode.
683 * Fix SSL_OP_NO_TLSv1_1 clash with SSL_OP_ALL in OpenSSL 1.0.0
684
257e9d03 685### Major changes between OpenSSL 1.0.1 and OpenSSL 1.0.1a [19 Apr 2012]
5f8e6c50 686
d8dc8538 687 * Fix for ASN1 overflow bug ([CVE-2012-2110])
5f8e6c50
DMSP
688 * Workarounds for some servers that hang on long client hellos.
689 * Fix SEGV in AES code.
690
257e9d03 691### Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.1 [14 Mar 2012]
5f8e6c50
DMSP
692
693 * TLS/DTLS heartbeat support.
694 * SCTP support.
695 * RFC 5705 TLS key material exporter.
696 * RFC 5764 DTLS-SRTP negotiation.
697 * Next Protocol Negotiation.
698 * PSS signatures in certificates, requests and CRLs.
699 * Support for password based recipient info for CMS.
700 * Support TLS v1.2 and TLS v1.1.
701 * Preliminary FIPS capability for unvalidated 2.0 FIPS module.
702 * SRP support.
703
4477beac
DMSP
704OpenSSL 1.0.0
705-------------
706
257e9d03 707### Major changes between OpenSSL 1.0.0s and OpenSSL 1.0.0t [3 Dec 2015]
4477beac 708
d8dc8538
DMSP
709 * X509_ATTRIBUTE memory leak (([CVE-2015-3195]))
710 * Race condition handling PSK identify hint ([CVE-2015-3196])
4477beac 711
257e9d03 712### Major changes between OpenSSL 1.0.0r and OpenSSL 1.0.0s [11 Jun 2015]
4477beac 713
d8dc8538
DMSP
714 * Malformed ECParameters causes infinite loop ([CVE-2015-1788])
715 * Exploitable out-of-bounds read in X509_cmp_time ([CVE-2015-1789])
716 * PKCS7 crash with missing EnvelopedContent ([CVE-2015-1790])
717 * CMS verify infinite loop with unknown hash function ([CVE-2015-1792])
718 * Race condition handling NewSessionTicket ([CVE-2015-1791])
4477beac 719
257e9d03 720### Major changes between OpenSSL 1.0.0q and OpenSSL 1.0.0r [19 Mar 2015]
4477beac 721
d8dc8538
DMSP
722 * Segmentation fault in ASN1_TYPE_cmp fix ([CVE-2015-0286])
723 * ASN.1 structure reuse memory corruption fix ([CVE-2015-0287])
724 * PKCS7 NULL pointer dereferences fix ([CVE-2015-0289])
725 * DoS via reachable assert in SSLv2 servers fix ([CVE-2015-0293])
726 * Use After Free following d2i_ECPrivatekey error fix ([CVE-2015-0209])
727 * X509_to_X509_REQ NULL pointer deref fix ([CVE-2015-0288])
4477beac
DMSP
728 * Removed the export ciphers from the DEFAULT ciphers
729
257e9d03 730### Major changes between OpenSSL 1.0.0p and OpenSSL 1.0.0q [15 Jan 2015]
4477beac
DMSP
731
732 * Build fixes for the Windows and OpenVMS platforms
733
257e9d03 734### Major changes between OpenSSL 1.0.0o and OpenSSL 1.0.0p [8 Jan 2015]
4477beac 735
d8dc8538
DMSP
736 * Fix for [CVE-2014-3571]
737 * Fix for [CVE-2015-0206]
738 * Fix for [CVE-2014-3569]
739 * Fix for [CVE-2014-3572]
740 * Fix for [CVE-2015-0204]
741 * Fix for [CVE-2015-0205]
742 * Fix for [CVE-2014-8275]
743 * Fix for [CVE-2014-3570]
4477beac 744
257e9d03 745### Major changes between OpenSSL 1.0.0n and OpenSSL 1.0.0o [15 Oct 2014]
4477beac 746
d8dc8538
DMSP
747 * Fix for [CVE-2014-3513]
748 * Fix for [CVE-2014-3567]
749 * Mitigation for [CVE-2014-3566] (SSL protocol vulnerability)
750 * Fix for [CVE-2014-3568]
4477beac 751
257e9d03 752### Major changes between OpenSSL 1.0.0m and OpenSSL 1.0.0n [6 Aug 2014]
4477beac 753
d8dc8538
DMSP
754 * Fix for [CVE-2014-3510]
755 * Fix for [CVE-2014-3507]
756 * Fix for [CVE-2014-3506]
757 * Fix for [CVE-2014-3505]
758 * Fix for [CVE-2014-3509]
759 * Fix for [CVE-2014-3508]
4477beac
DMSP
760
761 Known issues in OpenSSL 1.0.0m:
762
763 * EAP-FAST and other applications using tls_session_secret_cb
8c1cbc72 764 won't resume sessions. Fixed in 1.0.0n-dev
4477beac 765 * Compilation failure of s3_pkt.c on some platforms due to missing
257e9d03 766 `<limits.h>` include. Fixed in 1.0.0n-dev
4477beac 767
257e9d03 768### Major changes between OpenSSL 1.0.0l and OpenSSL 1.0.0m [5 Jun 2014]
4477beac 769
d8dc8538
DMSP
770 * Fix for [CVE-2014-0224]
771 * Fix for [CVE-2014-0221]
772 * Fix for [CVE-2014-0198]
773 * Fix for [CVE-2014-0195]
774 * Fix for [CVE-2014-3470]
775 * Fix for [CVE-2014-0076]
776 * Fix for [CVE-2010-5298]
4477beac 777
257e9d03 778### Major changes between OpenSSL 1.0.0k and OpenSSL 1.0.0l [6 Jan 2014]
4477beac 779
d8dc8538 780 * Fix for DTLS retransmission bug ([CVE-2013-6450])
4477beac 781
257e9d03 782### Major changes between OpenSSL 1.0.0j and OpenSSL 1.0.0k [5 Feb 2013]
4477beac 783
d8dc8538
DMSP
784 * Fix for SSL/TLS/DTLS CBC plaintext recovery attack ([CVE-2013-0169])
785 * Fix OCSP bad key DoS attack ([CVE-2013-0166])
4477beac 786
257e9d03 787### Major changes between OpenSSL 1.0.0i and OpenSSL 1.0.0j [10 May 2012]
4477beac 788
d8dc8538 789 * Fix DTLS record length checking bug ([CVE-2012-2333])
4477beac 790
257e9d03 791### Major changes between OpenSSL 1.0.0h and OpenSSL 1.0.0i [19 Apr 2012]
4477beac 792
d8dc8538 793 * Fix for ASN1 overflow bug ([CVE-2012-2110])
4477beac 794
257e9d03 795### Major changes between OpenSSL 1.0.0g and OpenSSL 1.0.0h [12 Mar 2012]
4477beac 796
d8dc8538
DMSP
797 * Fix for CMS/PKCS#7 MMA ([CVE-2012-0884])
798 * Corrected fix for ([CVE-2011-4619])
5f8e6c50
DMSP
799 * Various DTLS fixes.
800
257e9d03 801### Major changes between OpenSSL 1.0.0f and OpenSSL 1.0.0g [18 Jan 2012]
5f8e6c50 802
d8dc8538 803 * Fix for DTLS DoS issue ([CVE-2012-0050])
5f8e6c50 804
257e9d03 805### Major changes between OpenSSL 1.0.0e and OpenSSL 1.0.0f [4 Jan 2012]
5f8e6c50 806
d8dc8538
DMSP
807 * Fix for DTLS plaintext recovery attack ([CVE-2011-4108])
808 * Clear block padding bytes of SSL 3.0 records ([CVE-2011-4576])
809 * Only allow one SGC handshake restart for SSL/TLS ([CVE-2011-4619])
810 * Check parameters are not NULL in GOST ENGINE ([CVE-2012-0027])
811 * Check for malformed RFC3779 data ([CVE-2011-4577])
5f8e6c50 812
257e9d03 813### Major changes between OpenSSL 1.0.0d and OpenSSL 1.0.0e [6 Sep 2011]
5f8e6c50 814
d8dc8538
DMSP
815 * Fix for CRL vulnerability issue ([CVE-2011-3207])
816 * Fix for ECDH crashes ([CVE-2011-3210])
5f8e6c50
DMSP
817 * Protection against EC timing attacks.
818 * Support ECDH ciphersuites for certificates using SHA2 algorithms.
819 * Various DTLS fixes.
820
257e9d03 821### Major changes between OpenSSL 1.0.0c and OpenSSL 1.0.0d [8 Feb 2011]
5f8e6c50 822
d8dc8538 823 * Fix for security issue ([CVE-2011-0014])
367eab2f 824
257e9d03 825### Major changes between OpenSSL 1.0.0b and OpenSSL 1.0.0c [2 Dec 2010]
5f8e6c50 826
d8dc8538
DMSP
827 * Fix for security issue ([CVE-2010-4180])
828 * Fix for ([CVE-2010-4252])
5f8e6c50
DMSP
829 * Fix mishandling of absent EC point format extension.
830 * Fix various platform compilation issues.
d8dc8538 831 * Corrected fix for security issue ([CVE-2010-3864]).
5f8e6c50 832
257e9d03 833### Major changes between OpenSSL 1.0.0a and OpenSSL 1.0.0b [16 Nov 2010]
5f8e6c50 834
d8dc8538
DMSP
835 * Fix for security issue ([CVE-2010-3864]).
836 * Fix for ([CVE-2010-2939])
5f8e6c50
DMSP
837 * Fix WIN32 build system for GOST ENGINE.
838
257e9d03 839### Major changes between OpenSSL 1.0.0 and OpenSSL 1.0.0a [1 Jun 2010]
5f8e6c50 840
d8dc8538 841 * Fix for security issue ([CVE-2010-1633]).
5f8e6c50
DMSP
842 * GOST MAC and CFB fixes.
843
257e9d03 844### Major changes between OpenSSL 0.9.8n and OpenSSL 1.0.0 [29 Mar 2010]
5f8e6c50
DMSP
845
846 * RFC3280 path validation: sufficient to process PKITS tests.
847 * Integrated support for PVK files and keyblobs.
848 * Change default private key format to PKCS#8.
849 * CMS support: able to process all examples in RFC4134
850 * Streaming ASN1 encode support for PKCS#7 and CMS.
851 * Multiple signer and signer add support for PKCS#7 and CMS.
852 * ASN1 printing support.
853 * Whirlpool hash algorithm added.
854 * RFC3161 time stamp support.
855 * New generalised public key API supporting ENGINE based algorithms.
856 * New generalised public key API utilities.
857 * New ENGINE supporting GOST algorithms.
858 * SSL/TLS GOST ciphersuite support.
859 * PKCS#7 and CMS GOST support.
860 * RFC4279 PSK ciphersuite support.
861 * Supported points format extension for ECC ciphersuites.
862 * ecdsa-with-SHA224/256/384/512 signature types.
863 * dsa-with-SHA224 and dsa-with-SHA256 signature types.
864 * Opaque PRF Input TLS extension support.
865 * Updated time routines to avoid OS limitations.
866
4477beac
DMSP
867OpenSSL 0.9.x
868-------------
869
257e9d03 870### Major changes between OpenSSL 0.9.8m and OpenSSL 0.9.8n [24 Mar 2010]
5f8e6c50
DMSP
871
872 * CFB cipher definition fixes.
d8dc8538 873 * Fix security issues [CVE-2010-0740] and [CVE-2010-0433].
5f8e6c50 874
257e9d03 875### Major changes between OpenSSL 0.9.8l and OpenSSL 0.9.8m [25 Feb 2010]
5f8e6c50
DMSP
876
877 * Cipher definition fixes.
878 * Workaround for slow RAND_poll() on some WIN32 versions.
879 * Remove MD2 from algorithm tables.
880 * SPKAC handling fixes.
881 * Support for RFC5746 TLS renegotiation extension.
882 * Compression memory leak fixed.
883 * Compression session resumption fixed.
884 * Ticket and SNI coexistence fixes.
885 * Many fixes to DTLS handling.
886
257e9d03 887### Major changes between OpenSSL 0.9.8k and OpenSSL 0.9.8l [5 Nov 2009]
5f8e6c50 888
d8dc8538 889 * Temporary work around for [CVE-2009-3555]: disable renegotiation.
5f8e6c50 890
257e9d03 891### Major changes between OpenSSL 0.9.8j and OpenSSL 0.9.8k [25 Mar 2009]
5f8e6c50
DMSP
892
893 * Fix various build issues.
d8dc8538 894 * Fix security issues [CVE-2009-0590], [CVE-2009-0591], [CVE-2009-0789]
5f8e6c50 895
257e9d03 896### Major changes between OpenSSL 0.9.8i and OpenSSL 0.9.8j [7 Jan 2009]
5f8e6c50 897
d8dc8538 898 * Fix security issue ([CVE-2008-5077])
5f8e6c50
DMSP
899 * Merge FIPS 140-2 branch code.
900
257e9d03 901### Major changes between OpenSSL 0.9.8g and OpenSSL 0.9.8h [28 May 2008]
5f8e6c50
DMSP
902
903 * CryptoAPI ENGINE support.
904 * Various precautionary measures.
905 * Fix for bugs affecting certificate request creation.
906 * Support for local machine keyset attribute in PKCS#12 files.
907
257e9d03 908### Major changes between OpenSSL 0.9.8f and OpenSSL 0.9.8g [19 Oct 2007]
5f8e6c50
DMSP
909
910 * Backport of CMS functionality to 0.9.8.
911 * Fixes for bugs introduced with 0.9.8f.
912
257e9d03 913### Major changes between OpenSSL 0.9.8e and OpenSSL 0.9.8f [11 Oct 2007]
5f8e6c50
DMSP
914
915 * Add gcc 4.2 support.
916 * Add support for AES and SSE2 assembly language optimization
917 for VC++ build.
918 * Support for RFC4507bis and server name extensions if explicitly
919 selected at compile time.
920 * DTLS improvements.
921 * RFC4507bis support.
922 * TLS Extensions support.
923
257e9d03 924### Major changes between OpenSSL 0.9.8d and OpenSSL 0.9.8e [23 Feb 2007]
5f8e6c50
DMSP
925
926 * Various ciphersuite selection fixes.
927 * RFC3779 support.
928
257e9d03 929### Major changes between OpenSSL 0.9.8c and OpenSSL 0.9.8d [28 Sep 2006]
5f8e6c50 930
d8dc8538
DMSP
931 * Introduce limits to prevent malicious key DoS ([CVE-2006-2940])
932 * Fix security issues [CVE-2006-2937], [CVE-2006-3737], [CVE-2006-4343]
5f8e6c50
DMSP
933 * Changes to ciphersuite selection algorithm
934
257e9d03 935### Major changes between OpenSSL 0.9.8b and OpenSSL 0.9.8c [5 Sep 2006]
5f8e6c50 936
d8dc8538 937 * Fix Daniel Bleichenbacher forged signature attack, [CVE-2006-4339]
5f8e6c50
DMSP
938 * New cipher Camellia
939
257e9d03 940### Major changes between OpenSSL 0.9.8a and OpenSSL 0.9.8b [4 May 2006]
5f8e6c50
DMSP
941
942 * Cipher string fixes.
943 * Fixes for VC++ 2005.
944 * Updated ECC cipher suite support.
945 * New functions EVP_CIPHER_CTX_new() and EVP_CIPHER_CTX_free().
946 * Zlib compression usage fixes.
947 * Built in dynamic engine compilation support on Win32.
948 * Fixes auto dynamic engine loading in Win32.
949
257e9d03 950### Major changes between OpenSSL 0.9.8 and OpenSSL 0.9.8a [11 Oct 2005]
5f8e6c50 951
d8dc8538 952 * Fix potential SSL 2.0 rollback ([CVE-2005-2969])
5f8e6c50
DMSP
953 * Extended Windows CE support
954
257e9d03 955### Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.8 [5 Jul 2005]
5f8e6c50
DMSP
956
957 * Major work on the BIGNUM library for higher efficiency and to
958 make operations more streamlined and less contradictory. This
959 is the result of a major audit of the BIGNUM library.
960 * Addition of BIGNUM functions for fields GF(2^m) and NIST
961 curves, to support the Elliptic Crypto functions.
962 * Major work on Elliptic Crypto; ECDH and ECDSA added, including
963 the use through EVP, X509 and ENGINE.
964 * New ASN.1 mini-compiler that's usable through the OpenSSL
965 configuration file.
966 * Added support for ASN.1 indefinite length constructed encoding.
967 * New PKCS#12 'medium level' API to manipulate PKCS#12 files.
968 * Complete rework of shared library construction and linking
969 programs with shared or static libraries, through a separate
970 Makefile.shared.
971 * Rework of the passing of parameters from one Makefile to another.
972 * Changed ENGINE framework to load dynamic engine modules
973 automatically from specifically given directories.
974 * New structure and ASN.1 functions for CertificatePair.
975 * Changed the ZLIB compression method to be stateful.
976 * Changed the key-generation and primality testing "progress"
977 mechanism to take a structure that contains the ticker
978 function and an argument.
979 * New engine module: GMP (performs private key exponentiation).
980 * New engine module: VIA PadLOck ACE extension in VIA C3
981 Nehemiah processors.
982 * Added support for IPv6 addresses in certificate extensions.
983 See RFC 1884, section 2.2.
984 * Added support for certificate policy mappings, policy
985 constraints and name constraints.
986 * Added support for multi-valued AVAs in the OpenSSL
987 configuration file.
988 * Added support for multiple certificates with the same subject
989 in the 'openssl ca' index file.
990 * Make it possible to create self-signed certificates using
991 'openssl ca -selfsign'.
992 * Make it possible to generate a serial number file with
993 'openssl ca -create_serial'.
994 * New binary search functions with extended functionality.
995 * New BUF functions.
996 * New STORE structure and library to provide an interface to all
997 sorts of data repositories. Supports storage of public and
998 private keys, certificates, CRLs, numbers and arbitrary blobs.
999 This library is unfortunately unfinished and unused within
1000 OpenSSL.
1001 * New control functions for the error stack.
1002 * Changed the PKCS#7 library to support one-pass S/MIME
1003 processing.
1004 * Added the possibility to compile without old deprecated
1005 functionality with the OPENSSL_NO_DEPRECATED macro or the
1006 'no-deprecated' argument to the config and Configure scripts.
1007 * Constification of all ASN.1 conversion functions, and other
1008 affected functions.
1009 * Improved platform support for PowerPC.
1010 * New FIPS 180-2 algorithms (SHA-224, -256, -384 and -512).
1011 * New X509_VERIFY_PARAM structure to support parameterisation
1012 of X.509 path validation.
1013 * Major overhaul of RC4 performance on Intel P4, IA-64 and
1014 AMD64.
1015 * Changed the Configure script to have some algorithms disabled
1016 by default. Those can be explicitly enabled with the new
1017 argument form 'enable-xxx'.
1018 * Change the default digest in 'openssl' commands from MD5 to
1019 SHA-1.
1020 * Added support for DTLS.
1021 * New BIGNUM blinding.
1022 * Added support for the RSA-PSS encryption scheme
1023 * Added support for the RSA X.931 padding.
1024 * Added support for BSD sockets on NetWare.
1025 * Added support for files larger than 2GB.
1026 * Added initial support for Win64.
1027 * Added alternate pkg-config files.
1028
257e9d03 1029### Major changes between OpenSSL 0.9.7l and OpenSSL 0.9.7m [23 Feb 2007]
5f8e6c50
DMSP
1030
1031 * FIPS 1.1.1 module linking.
1032 * Various ciphersuite selection fixes.
1033
257e9d03 1034### Major changes between OpenSSL 0.9.7k and OpenSSL 0.9.7l [28 Sep 2006]
5f8e6c50 1035
d8dc8538
DMSP
1036 * Introduce limits to prevent malicious key DoS ([CVE-2006-2940])
1037 * Fix security issues [CVE-2006-2937], [CVE-2006-3737], [CVE-2006-4343]
5f8e6c50 1038
257e9d03 1039### Major changes between OpenSSL 0.9.7j and OpenSSL 0.9.7k [5 Sep 2006]
5f8e6c50 1040
d8dc8538 1041 * Fix Daniel Bleichenbacher forged signature attack, [CVE-2006-4339]
5f8e6c50 1042
257e9d03 1043### Major changes between OpenSSL 0.9.7i and OpenSSL 0.9.7j [4 May 2006]
5f8e6c50
DMSP
1044
1045 * Visual C++ 2005 fixes.
1046 * Update Windows build system for FIPS.
1047
257e9d03 1048### Major changes between OpenSSL 0.9.7h and OpenSSL 0.9.7i [14 Oct 2005]
5f8e6c50
DMSP
1049
1050 * Give EVP_MAX_MD_SIZE its old value, except for a FIPS build.
1051
257e9d03 1052### Major changes between OpenSSL 0.9.7g and OpenSSL 0.9.7h [11 Oct 2005]
5f8e6c50 1053
d8dc8538 1054 * Fix SSL 2.0 Rollback ([CVE-2005-2969])
5f8e6c50
DMSP
1055 * Allow use of fixed-length exponent on DSA signing
1056 * Default fixed-window RSA, DSA, DH private-key operations
1057
257e9d03 1058### Major changes between OpenSSL 0.9.7f and OpenSSL 0.9.7g [11 Apr 2005]
5f8e6c50
DMSP
1059
1060 * More compilation issues fixed.
1061 * Adaptation to more modern Kerberos API.
1062 * Enhanced or corrected configuration for Solaris64, Mingw and Cygwin.
1063 * Enhanced x86_64 assembler BIGNUM module.
1064 * More constification.
1065 * Added processing of proxy certificates (RFC 3820).
1066
257e9d03 1067### Major changes between OpenSSL 0.9.7e and OpenSSL 0.9.7f [22 Mar 2005]
5f8e6c50
DMSP
1068
1069 * Several compilation issues fixed.
1070 * Many memory allocation failure checks added.
1071 * Improved comparison of X509 Name type.
1072 * Mandatory basic checks on certificates.
1073 * Performance improvements.
1074
257e9d03 1075### Major changes between OpenSSL 0.9.7d and OpenSSL 0.9.7e [25 Oct 2004]
5f8e6c50
DMSP
1076
1077 * Fix race condition in CRL checking code.
1078 * Fixes to PKCS#7 (S/MIME) code.
1079
257e9d03 1080### Major changes between OpenSSL 0.9.7c and OpenSSL 0.9.7d [17 Mar 2004]
5f8e6c50
DMSP
1081
1082 * Security: Fix Kerberos ciphersuite SSL/TLS handshaking bug
1083 * Security: Fix null-pointer assignment in do_change_cipher_spec()
1084 * Allow multiple active certificates with same subject in CA index
1085 * Multiple X509 verification fixes
1086 * Speed up HMAC and other operations
1087
257e9d03 1088### Major changes between OpenSSL 0.9.7b and OpenSSL 0.9.7c [30 Sep 2003]
5f8e6c50
DMSP
1089
1090 * Security: fix various ASN1 parsing bugs.
1091 * New -ignore_err option to OCSP utility.
1092 * Various interop and bug fixes in S/MIME code.
1093 * SSL/TLS protocol fix for unrequested client certificates.
1094
257e9d03 1095### Major changes between OpenSSL 0.9.7a and OpenSSL 0.9.7b [10 Apr 2003]
5f8e6c50
DMSP
1096
1097 * Security: counter the Klima-Pokorny-Rosa extension of
1098 Bleichbacher's attack
1099 * Security: make RSA blinding default.
1100 * Configuration: Irix fixes, AIX fixes, better mingw support.
1101 * Support for new platforms: linux-ia64-ecc.
1102 * Build: shared library support fixes.
1103 * ASN.1: treat domainComponent correctly.
1104 * Documentation: fixes and additions.
1105
257e9d03 1106### Major changes between OpenSSL 0.9.7 and OpenSSL 0.9.7a [19 Feb 2003]
5f8e6c50
DMSP
1107
1108 * Security: Important security related bugfixes.
1109 * Enhanced compatibility with MIT Kerberos.
1110 * Can be built without the ENGINE framework.
1111 * IA32 assembler enhancements.
1112 * Support for new platforms: FreeBSD/IA64 and FreeBSD/Sparc64.
1113 * Configuration: the no-err option now works properly.
1114 * SSL/TLS: now handles manual certificate chain building.
1115 * SSL/TLS: certain session ID malfunctions corrected.
1116
257e9d03 1117### Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.7 [30 Dec 2002]
5f8e6c50
DMSP
1118
1119 * New library section OCSP.
1120 * Complete rewrite of ASN1 code.
1121 * CRL checking in verify code and openssl utility.
1122 * Extension copying in 'ca' utility.
1123 * Flexible display options in 'ca' utility.
1124 * Provisional support for international characters with UTF8.
1125 * Support for external crypto devices ('engine') is no longer
1126 a separate distribution.
1127 * New elliptic curve library section.
1128 * New AES (Rijndael) library section.
1129 * Support for new platforms: Windows CE, Tandem OSS, A/UX, AIX 64-bit,
1130 Linux x86_64, Linux 64-bit on Sparc v9
1131 * Extended support for some platforms: VxWorks
1132 * Enhanced support for shared libraries.
1133 * Now only builds PIC code when shared library support is requested.
1134 * Support for pkg-config.
1135 * Lots of new manuals.
1136 * Makes symbolic links to or copies of manuals to cover all described
1137 functions.
1138 * Change DES API to clean up the namespace (some applications link also
1139 against libdes providing similar functions having the same name).
1140 Provide macros for backward compatibility (will be removed in the
1141 future).
1142 * Unify handling of cryptographic algorithms (software and engine)
1143 to be available via EVP routines for asymmetric and symmetric ciphers.
1144 * NCONF: new configuration handling routines.
1145 * Change API to use more 'const' modifiers to improve error checking
1146 and help optimizers.
1147 * Finally remove references to RSAref.
1148 * Reworked parts of the BIGNUM code.
1149 * Support for new engines: Broadcom ubsec, Accelerated Encryption
1150 Processing, IBM 4758.
1151 * A few new engines added in the demos area.
1152 * Extended and corrected OID (object identifier) table.
1153 * PRNG: query at more locations for a random device, automatic query for
1154 EGD style random sources at several locations.
1155 * SSL/TLS: allow optional cipher choice according to server's preference.
1156 * SSL/TLS: allow server to explicitly set new session ids.
1157 * SSL/TLS: support Kerberos cipher suites (RFC2712).
1158 Only supports MIT Kerberos for now.
1159 * SSL/TLS: allow more precise control of renegotiations and sessions.
1160 * SSL/TLS: add callback to retrieve SSL/TLS messages.
1161 * SSL/TLS: support AES cipher suites (RFC3268).
1162
257e9d03 1163### Major changes between OpenSSL 0.9.6j and OpenSSL 0.9.6k [30 Sep 2003]
5f8e6c50
DMSP
1164
1165 * Security: fix various ASN1 parsing bugs.
1166 * SSL/TLS protocol fix for unrequested client certificates.
1167
257e9d03 1168### Major changes between OpenSSL 0.9.6i and OpenSSL 0.9.6j [10 Apr 2003]
5f8e6c50
DMSP
1169
1170 * Security: counter the Klima-Pokorny-Rosa extension of
1171 Bleichbacher's attack
1172 * Security: make RSA blinding default.
1173 * Build: shared library support fixes.
1174
257e9d03 1175### Major changes between OpenSSL 0.9.6h and OpenSSL 0.9.6i [19 Feb 2003]
5f8e6c50
DMSP
1176
1177 * Important security related bugfixes.
1178
257e9d03 1179### Major changes between OpenSSL 0.9.6g and OpenSSL 0.9.6h [5 Dec 2002]
5f8e6c50
DMSP
1180
1181 * New configuration targets for Tandem OSS and A/UX.
1182 * New OIDs for Microsoft attributes.
1183 * Better handling of SSL session caching.
1184 * Better comparison of distinguished names.
1185 * Better handling of shared libraries in a mixed GNU/non-GNU environment.
1186 * Support assembler code with Borland C.
1187 * Fixes for length problems.
1188 * Fixes for uninitialised variables.
1189 * Fixes for memory leaks, some unusual crashes and some race conditions.
1190 * Fixes for smaller building problems.
1191 * Updates of manuals, FAQ and other instructive documents.
1192
257e9d03 1193### Major changes between OpenSSL 0.9.6f and OpenSSL 0.9.6g [9 Aug 2002]
5f8e6c50
DMSP
1194
1195 * Important building fixes on Unix.
1196
257e9d03 1197### Major changes between OpenSSL 0.9.6e and OpenSSL 0.9.6f [8 Aug 2002]
5f8e6c50
DMSP
1198
1199 * Various important bugfixes.
1200
257e9d03 1201### Major changes between OpenSSL 0.9.6d and OpenSSL 0.9.6e [30 Jul 2002]
5f8e6c50
DMSP
1202
1203 * Important security related bugfixes.
1204 * Various SSL/TLS library bugfixes.
1205
257e9d03 1206### Major changes between OpenSSL 0.9.6c and OpenSSL 0.9.6d [9 May 2002]
5f8e6c50
DMSP
1207
1208 * Various SSL/TLS library bugfixes.
1209 * Fix DH parameter generation for 'non-standard' generators.
1210
257e9d03 1211### Major changes between OpenSSL 0.9.6b and OpenSSL 0.9.6c [21 Dec 2001]
5f8e6c50
DMSP
1212
1213 * Various SSL/TLS library bugfixes.
1214 * BIGNUM library fixes.
1215 * RSA OAEP and random number generation fixes.
1216 * Object identifiers corrected and added.
1217 * Add assembler BN routines for IA64.
1218 * Add support for OS/390 Unix, UnixWare with gcc, OpenUNIX 8,
1219 MIPS Linux; shared library support for Irix, HP-UX.
1220 * Add crypto accelerator support for AEP, Baltimore SureWare,
1221 Broadcom and Cryptographic Appliance's keyserver
1222 [in 0.9.6c-engine release].
1223
257e9d03 1224### Major changes between OpenSSL 0.9.6a and OpenSSL 0.9.6b [9 Jul 2001]
5f8e6c50
DMSP
1225
1226 * Security fix: PRNG improvements.
1227 * Security fix: RSA OAEP check.
1228 * Security fix: Reinsert and fix countermeasure to Bleichbacher's
1229 attack.
1230 * MIPS bug fix in BIGNUM.
1231 * Bug fix in "openssl enc".
1232 * Bug fix in X.509 printing routine.
1233 * Bug fix in DSA verification routine and DSA S/MIME verification.
1234 * Bug fix to make PRNG thread-safe.
1235 * Bug fix in RAND_file_name().
1236 * Bug fix in compatibility mode trust settings.
1237 * Bug fix in blowfish EVP.
1238 * Increase default size for BIO buffering filter.
1239 * Compatibility fixes in some scripts.
1240
257e9d03 1241### Major changes between OpenSSL 0.9.6 and OpenSSL 0.9.6a [5 Apr 2001]
5f8e6c50
DMSP
1242
1243 * Security fix: change behavior of OpenSSL to avoid using
1244 environment variables when running as root.
1245 * Security fix: check the result of RSA-CRT to reduce the
1246 possibility of deducing the private key from an incorrectly
1247 calculated signature.
1248 * Security fix: prevent Bleichenbacher's DSA attack.
1249 * Security fix: Zero the premaster secret after deriving the
1250 master secret in DH ciphersuites.
1251 * Reimplement SSL_peek(), which had various problems.
1252 * Compatibility fix: the function des_encrypt() renamed to
1253 des_encrypt1() to avoid clashes with some Unixen libc.
1254 * Bug fixes for Win32, HP/UX and Irix.
1255 * Bug fixes in BIGNUM, SSL, PKCS#7, PKCS#12, X.509, CONF and
1256 memory checking routines.
1257 * Bug fixes for RSA operations in threaded environments.
1258 * Bug fixes in misc. openssl applications.
1259 * Remove a few potential memory leaks.
1260 * Add tighter checks of BIGNUM routines.
1261 * Shared library support has been reworked for generality.
1262 * More documentation.
1263 * New function BN_rand_range().
1264 * Add "-rand" option to openssl s_client and s_server.
1265
257e9d03 1266### Major changes between OpenSSL 0.9.5a and OpenSSL 0.9.6 [10 Oct 2000]
5f8e6c50
DMSP
1267
1268 * Some documentation for BIO and SSL libraries.
1269 * Enhanced chain verification using key identifiers.
1270 * New sign and verify options to 'dgst' application.
1271 * Support for DER and PEM encoded messages in 'smime' application.
8c1cbc72 1272 * New 'rsautl' application, low-level RSA utility.
5f8e6c50
DMSP
1273 * MD4 now included.
1274 * Bugfix for SSL rollback padding check.
1275 * Support for external crypto devices [1].
1276 * Enhanced EVP interface.
1277
1278 [1] The support for external crypto devices is currently a separate
036cbb6b 1279 distribution. See the file README-Engine.md.
5f8e6c50 1280
257e9d03 1281### Major changes between OpenSSL 0.9.5 and OpenSSL 0.9.5a [1 Apr 2000]
5f8e6c50
DMSP
1282
1283 * Bug fixes for Win32, SuSE Linux, NeXTSTEP and FreeBSD 2.2.8
1284 * Shared library support for HPUX and Solaris-gcc
1285 * Support of Linux/IA64
1286 * Assembler support for Mingw32
1287 * New 'rand' application
1288 * New way to check for existence of algorithms from scripts
1289
257e9d03 1290### Major changes between OpenSSL 0.9.4 and OpenSSL 0.9.5 [25 May 2000]
5f8e6c50
DMSP
1291
1292 * S/MIME support in new 'smime' command
1293 * Documentation for the OpenSSL command line application
1294 * Automation of 'req' application
1295 * Fixes to make s_client, s_server work under Windows
1296 * Support for multiple fieldnames in SPKACs
1297 * New SPKAC command line utility and associated library functions
1298 * Options to allow passwords to be obtained from various sources
1299 * New public key PEM format and options to handle it
1300 * Many other fixes and enhancements to command line utilities
1301 * Usable certificate chain verification
1302 * Certificate purpose checking
1303 * Certificate trust settings
1304 * Support of authority information access extension
1305 * Extensions in certificate requests
1306 * Simplified X509 name and attribute routines
1307 * Initial (incomplete) support for international character sets
1308 * New DH_METHOD, DSA_METHOD and enhanced RSA_METHOD
1309 * Read only memory BIOs and simplified creation function
1310 * TLS/SSL protocol bugfixes: Accept TLS 'client hello' in SSL 3.0
1311 record; allow fragmentation and interleaving of handshake and other
1312 data
1313 * TLS/SSL code now "tolerates" MS SGC
1314 * Work around for Netscape client certificate hang bug
1315 * RSA_NULL option that removes RSA patent code but keeps other
1316 RSA functionality
1317 * Memory leak detection now allows applications to add extra information
1318 via a per-thread stack
1319 * PRNG robustness improved
1320 * EGD support
1321 * BIGNUM library bug fixes
1322 * Faster DSA parameter generation
1323 * Enhanced support for Alpha Linux
8c1cbc72 1324 * Experimental macOS support
5f8e6c50 1325
257e9d03 1326### Major changes between OpenSSL 0.9.3 and OpenSSL 0.9.4 [9 Aug 1999]
5f8e6c50
DMSP
1327
1328 * Transparent support for PKCS#8 format private keys: these are used
1329 by several software packages and are more secure than the standard
1330 form
1331 * PKCS#5 v2.0 implementation
1332 * Password callbacks have a new void * argument for application data
1333 * Avoid various memory leaks
1334 * New pipe-like BIO that allows using the SSL library when actual I/O
1335 must be handled by the application (BIO pair)
1336
257e9d03 1337### Major changes between OpenSSL 0.9.2b and OpenSSL 0.9.3 [24 May 1999]
4477beac 1338
5f8e6c50
DMSP
1339 * Lots of enhancements and cleanups to the Configuration mechanism
1340 * RSA OEAP related fixes
4477beac 1341 * Added "openssl ca -revoke" option for revoking a certificate
5f8e6c50
DMSP
1342 * Source cleanups: const correctness, type-safe stacks and ASN.1 SETs
1343 * Source tree cleanups: removed lots of obsolete files
1344 * Thawte SXNet, certificate policies and CRL distribution points
4477beac 1345 extension support
5f8e6c50
DMSP
1346 * Preliminary (experimental) S/MIME support
1347 * Support for ASN.1 UTF8String and VisibleString
1348 * Full integration of PKCS#12 code
1349 * Sparc assembler bignum implementation, optimized hash functions
1350 * Option to disable selected ciphers
8e8a8a5f 1351
257e9d03 1352### Major changes between OpenSSL 0.9.1c and OpenSSL 0.9.2b [22 Mar 1999]
4477beac 1353
5f8e6c50
DMSP
1354 * Fixed a security hole related to session resumption
1355 * Fixed RSA encryption routines for the p < q case
1356 * "ALL" in cipher lists now means "everything except NULL ciphers"
1357 * Support for Triple-DES CBCM cipher
1358 * Support of Optimal Asymmetric Encryption Padding (OAEP) for RSA
1359 * First support for new TLSv1 ciphers
1360 * Added a few new BIOs (syslog BIO, reliable BIO)
1361 * Extended support for DSA certificate/keys.
1362 * Extended support for Certificate Signing Requests (CSR)
1363 * Initial support for X.509v3 extensions
1364 * Extended support for compression inside the SSL record layer
1365 * Overhauled Win32 builds
1366 * Cleanups and fixes to the Big Number (BN) library
1367 * Support for ASN.1 GeneralizedTime
1368 * Splitted ASN.1 SETs from SEQUENCEs
1369 * ASN1 and PEM support for Netscape Certificate Sequences
1370 * Overhauled Perl interface
1371 * Lots of source tree cleanups.
1372 * Lots of memory leak fixes.
1373 * Lots of bug fixes.
3b52c2e7 1374
257e9d03 1375### Major changes between SSLeay 0.9.0b and OpenSSL 0.9.1c [23 Dec 1998]
4477beac 1376
5f8e6c50
DMSP
1377 * Integration of the popular NO_RSA/NO_DSA patches
1378 * Initial support for compression inside the SSL record layer
1379 * Added BIO proxy and filtering functionality
1380 * Extended Big Number (BN) library
1381 * Added RIPE MD160 message digest
1382 * Added support for RC2/64bit cipher
1383 * Extended ASN.1 parser routines
1384 * Adjustments of the source tree for CVS
1385 * Support for various new platforms
4477beac 1386
4477beac
DMSP
1387<!-- Links -->
1388
1e13198f 1389[CVE-2020-1971]: https://www.openssl.org/news/vulnerabilities.html#CVE-2020-1971
6ffc3127 1390[CVE-2020-1967]: https://www.openssl.org/news/vulnerabilities.html#CVE-2020-1967
4477beac
DMSP
1391[CVE-2019-1563]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1563
1392[CVE-2019-1559]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1559
1393[CVE-2019-1552]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1552
8658fedd 1394[CVE-2019-1551]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1551
4477beac
DMSP
1395[CVE-2019-1549]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1549
1396[CVE-2019-1547]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1547
1397[CVE-2019-1543]: https://www.openssl.org/news/vulnerabilities.html#CVE-2019-1543
1398[CVE-2018-5407]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-5407
1399[CVE-2018-0739]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0739
1400[CVE-2018-0737]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0737
1401[CVE-2018-0735]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0735
1402[CVE-2018-0734]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0734
1403[CVE-2018-0733]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0733
1404[CVE-2018-0732]: https://www.openssl.org/news/vulnerabilities.html#CVE-2018-0732
1405[CVE-2017-3738]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3738
1406[CVE-2017-3737]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3737
1407[CVE-2017-3736]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3736
1408[CVE-2017-3735]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3735
1409[CVE-2017-3733]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3733
1410[CVE-2017-3732]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3732
1411[CVE-2017-3731]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3731
1412[CVE-2017-3730]: https://www.openssl.org/news/vulnerabilities.html#CVE-2017-3730
1413[CVE-2016-7055]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7055
1414[CVE-2016-7054]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7054
1415[CVE-2016-7053]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7053
1416[CVE-2016-7052]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-7052
1417[CVE-2016-6309]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6309
1418[CVE-2016-6308]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6308
1419[CVE-2016-6307]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6307
1420[CVE-2016-6306]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6306
1421[CVE-2016-6305]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6305
1422[CVE-2016-6304]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6304
1423[CVE-2016-6303]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6303
1424[CVE-2016-6302]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-6302
1425[CVE-2016-2183]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2183
1426[CVE-2016-2182]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2182
1427[CVE-2016-2181]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2181
1428[CVE-2016-2180]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2180
1429[CVE-2016-2179]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2179
1430[CVE-2016-2178]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2178
1431[CVE-2016-2177]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2177
1432[CVE-2016-2176]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2176
1433[CVE-2016-2109]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2109
1434[CVE-2016-2107]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2107
1435[CVE-2016-2106]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2106
1436[CVE-2016-2105]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-2105
1437[CVE-2016-0800]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0800
1438[CVE-2016-0799]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0799
1439[CVE-2016-0798]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0798
1440[CVE-2016-0797]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0797
1441[CVE-2016-0705]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0705
1442[CVE-2016-0702]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0702
1443[CVE-2016-0701]: https://www.openssl.org/news/vulnerabilities.html#CVE-2016-0701
1444[CVE-2015-3197]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3197
1445[CVE-2015-3196]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3196
1446[CVE-2015-3195]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3195
1447[CVE-2015-3194]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3194
1448[CVE-2015-3193]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-3193
1449[CVE-2015-1793]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1793
1450[CVE-2015-1792]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1792
1451[CVE-2015-1791]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1791
1452[CVE-2015-1790]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1790
1453[CVE-2015-1789]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1789
1454[CVE-2015-1788]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1788
1455[CVE-2015-1787]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-1787
1456[CVE-2015-0293]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0293
1457[CVE-2015-0291]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0291
1458[CVE-2015-0290]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0290
1459[CVE-2015-0289]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0289
1460[CVE-2015-0288]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0288
1461[CVE-2015-0287]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0287
1462[CVE-2015-0286]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0286
1463[CVE-2015-0285]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0285
1464[CVE-2015-0209]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0209
1465[CVE-2015-0208]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0208
1466[CVE-2015-0207]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0207
1467[CVE-2015-0206]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0206
1468[CVE-2015-0205]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0205
1469[CVE-2015-0204]: https://www.openssl.org/news/vulnerabilities.html#CVE-2015-0204
1470[CVE-2014-8275]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-8275
1471[CVE-2014-5139]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-5139
1472[CVE-2014-3572]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3572
1473[CVE-2014-3571]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3571
1474[CVE-2014-3570]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3570
1475[CVE-2014-3569]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3569
1476[CVE-2014-3568]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3568
1477[CVE-2014-3567]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3567
1478[CVE-2014-3566]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3566
1479[CVE-2014-3513]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3513
1480[CVE-2014-3512]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3512
1481[CVE-2014-3511]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3511
1482[CVE-2014-3510]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3510
1483[CVE-2014-3509]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3509
1484[CVE-2014-3508]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3508
1485[CVE-2014-3507]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3507
1486[CVE-2014-3506]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3506
1487[CVE-2014-3505]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3505
1488[CVE-2014-3470]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-3470
1489[CVE-2014-0224]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0224
1490[CVE-2014-0221]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0221
1491[CVE-2014-0198]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0198
1492[CVE-2014-0195]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0195
1493[CVE-2014-0160]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0160
1494[CVE-2014-0076]: https://www.openssl.org/news/vulnerabilities.html#CVE-2014-0076
1495[CVE-2013-6450]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-6450
1496[CVE-2013-6449]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-6449
1497[CVE-2013-4353]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-4353
1498[CVE-2013-0169]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-0169
1499[CVE-2013-0166]: https://www.openssl.org/news/vulnerabilities.html#CVE-2013-0166
1500[CVE-2012-2686]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-2686
1501[CVE-2012-2333]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-2333
1502[CVE-2012-2110]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-2110
1503[CVE-2012-0884]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-0884
1504[CVE-2012-0050]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-0050
1505[CVE-2012-0027]: https://www.openssl.org/news/vulnerabilities.html#CVE-2012-0027
1506[CVE-2011-4619]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4619
1507[CVE-2011-4577]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4577
1508[CVE-2011-4576]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4576
1509[CVE-2011-4108]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-4108
1510[CVE-2011-3210]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-3210
1511[CVE-2011-3207]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-3207
1512[CVE-2011-0014]: https://www.openssl.org/news/vulnerabilities.html#CVE-2011-0014
1513[CVE-2010-5298]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-5298
1514[CVE-2010-4252]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-4252
1515[CVE-2010-4180]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-4180
1516[CVE-2010-3864]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-3864
1517[CVE-2010-2939]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-2939
1518[CVE-2010-1633]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-1633
1519[CVE-2010-0740]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-0740
1520[CVE-2010-0433]: https://www.openssl.org/news/vulnerabilities.html#CVE-2010-0433
1521[CVE-2009-3555]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-3555
1522[CVE-2009-0789]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-0789
1523[CVE-2009-0591]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-0591
1524[CVE-2009-0590]: https://www.openssl.org/news/vulnerabilities.html#CVE-2009-0590
1525[CVE-2008-5077]: https://www.openssl.org/news/vulnerabilities.html#CVE-2008-5077
1526[CVE-2006-4343]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-4343
1527[CVE-2006-4339]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-4339
1528[CVE-2006-3737]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-3737
1529[CVE-2006-2940]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-2940
1530[CVE-2006-2937]: https://www.openssl.org/news/vulnerabilities.html#CVE-2006-2937
1531[CVE-2005-2969]: https://www.openssl.org/news/vulnerabilities.html#CVE-2005-2969