Fix use after free bug.

[openssl.git] / apps / crl2p7.c

diff --git a/apps/crl2p7.c b/apps/crl2p7.c
index bbc83774dbee7193bc38b988c7d2b38f2aef769d..42c6886b83f81e008b59b6188060ffc4040a0cca 100644 (file)
--- a/apps/crl2p7.c
+++ b/apps/crl2p7.c
@@ -141,7 +141,13 @@ int MAIN(int argc, char **argv)
                        {
                        if (--argc < 1) goto bad;
                        if(!certflst) certflst = sk_OPENSSL_STRING_new_null();
-                       sk_OPENSSL_STRING_push(certflst,*(++argv));
+                       if (!certflst)
+                               goto end;
+                       if (!sk_OPENSSL_STRING_push(certflst,*(++argv)))
+                               {
+                               sk_OPENSSL_STRING_free(certflst);
+                               goto end;
+                               }
                        }
                else
                        {