Avoid potential memory leak
Resolves
@@ -539,8 +539,11 @@ static int append_ia5(STACK_OF(OPENSSL_STRING) **sk,
return 0;
emtmp = OPENSSL_strndup((char *)email->data, email->length);
- if (emtmp == NULL)
+ if (emtmp == NULL) {
+ X509_email_free(*sk);
+ *sk = NULL;
return 0;
+ }
/* Don't add duplicates */
if (sk_OPENSSL_STRING_find(*sk, emtmp) != -1) {
