Use EXFLAG_INVALID to handle out of memory and parse errors in

x509v3_cache_extensions().

ok tb@

1 files changed, 5 insertions, 1 deletions

diff --git a/src/lib/libcrypto/x509/x509_verify.c b/src/lib/libcrypto/x509/x509_verify.c
index 3c8369f1f9..9c34e31ee3 100644
--- a/src/lib/libcrypto/x509/x509_verify.c
+++ b/src/lib/libcrypto/x509/x509_verify.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: x509_verify.c,v 1.35 2021/03/12 15:53:38 tb Exp $ */
+/* $OpenBSD: x509_verify.c,v 1.36 2021/03/13 23:01:49 tobhe Exp $ */
 /*
  * Copyright (c) 2020-2021 Bob Beck <beck@openbsd.org>
  *
@@ -756,6 +756,10 @@ x509_verify_cert_extensions(struct x509_verify_ctx *ctx, X509 *cert, int need_ca
                 CRYPTO_w_lock(CRYPTO_LOCK_X509);
                 x509v3_cache_extensions(cert);
                 CRYPTO_w_unlock(CRYPTO_LOCK_X509);
+                if (cert->ex_flags & EXFLAG_INVALID) {
+                        ctx->error = X509_V_ERR_UNSPECIFIED;
+                        return 0;
+                }
         }
 
         if (ctx->xsc != NULL)