From: Dr. Stephen Henson <steve@openssl.org>
Date: Fri, 5 Aug 2016 15:06:36 +0000 (+0100)
Subject: Free buffer in a2i_ASN1_INTEGER() on error path.
X-Git-Tag: OpenSSL_1_1_0~264
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3dc87806ce4517d58600b44975e14247cee1c807;p=thirdparty%2Fopenssl.git

Free buffer in a2i_ASN1_INTEGER() on error path.

Thank to Shi Lei for reporting this bug.

Reviewed-by: Rich Salz <rsalz@openssl.org>
---

diff --git a/crypto/asn1/f_int.c b/crypto/asn1/f_int.c
index 0f16ac0bbbd..f1ed6bbe652 100644
--- a/crypto/asn1/f_int.c
+++ b/crypto/asn1/f_int.c
@@ -112,6 +112,7 @@ int a2i_ASN1_INTEGER(BIO *bp, ASN1_INTEGER *bs, char *buf, int size)
         i -= again;
         if (i % 2 != 0) {
             ASN1err(ASN1_F_A2I_ASN1_INTEGER, ASN1_R_ODD_NUMBER_OF_CHARS);
+            OPENSSL_free(s);
             return 0;
         }
         i /= 2;