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Fixed possible memory leaks reported by nielsdos in PR 8415 and 8414.

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This commit is contained in:
David Garske
2025-02-13 08:20:37 -08:00
parent db0fa304a8
commit f943f6ff5c
2 changed files with 9 additions and 1 deletions
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4
src/crl.c
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@ -1776,6 +1776,10 @@ int LoadCRL(WOLFSSL_CRL* crl, const char* path, int type, int monitor)
ret = ProcessFile(NULL, name, type, CRL_TYPE, NULL, 0, crl, VERIFY);
if (ret != WOLFSSL_SUCCESS) {
WOLFSSL_MSG("CRL file load failed");
wc_ReadDirClose(readCtx);
#ifdef WOLFSSL_SMALL_STACK
XFREE(readCtx, crl->heap, DYNAMIC_TYPE_TMP_BUFFER);
#endif
return ret;
}
}

6
wolfcrypt/src/evp.c
View File

@ -4035,9 +4035,13 @@ int wolfSSL_EVP_SignFinal(WOLFSSL_EVP_MD_CTX *ctx, unsigned char *sigret,
pkey->ecc);
if (ecdsaSig == NULL)
return WOLFSSL_FAILURE;
/* get signature length only */
ret = wolfSSL_i2d_ECDSA_SIG(ecdsaSig, NULL);
if (ret <= 0 || ret > (int)*siglen)
if (ret <= 0 || ret > (int)*siglen) {
wolfSSL_ECDSA_SIG_free(ecdsaSig);
return WOLFSSL_FAILURE;
}
/* perform validation of signature */
ret = wolfSSL_i2d_ECDSA_SIG(ecdsaSig, &sigret);
wolfSSL_ECDSA_SIG_free(ecdsaSig);
if (ret <= 0 || ret > (int)*siglen)