Fix double frees.

This commit is contained in:
Ben Laurie 2014-04-22 13:11:56 +01:00
parent e3899ababb
commit 9c8dc84ac1
4 changed files with 5 additions and 1 deletions

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@ -4,7 +4,8 @@
Changes between 1.0.1g and 1.0.1h [xx XXX xxxx]
*)
*) Fix some double frees. These are not thought to be exploitable.
[mancha <mancha1@zoho.com>]
Changes between 1.0.1f and 1.0.1g [7 Apr 2014]

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@ -928,6 +928,7 @@ int PKCS7_SIGNER_INFO_sign(PKCS7_SIGNER_INFO *si)
if (EVP_DigestSignUpdate(&mctx,abuf,alen) <= 0)
goto err;
OPENSSL_free(abuf);
abuf = NULL;
if (EVP_DigestSignFinal(&mctx, NULL, &siglen) <= 0)
goto err;
abuf = OPENSSL_malloc(siglen);

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@ -629,6 +629,7 @@ static int TS_compute_imprint(BIO *data, TS_TST_INFO *tst_info,
X509_ALGOR_free(*md_alg);
OPENSSL_free(*imprint);
*imprint_len = 0;
*imprint = NULL;
return 0;
}

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@ -1356,6 +1356,7 @@ int dtls1_send_server_key_exchange(SSL *s)
(unsigned char *)encodedPoint,
encodedlen);
OPENSSL_free(encodedPoint);
encodedPoint = NULL;
p += encodedlen;
}
#endif