From 2877b7be505c00f9472d53536b976a60be1b0504 Mon Sep 17 00:00:00 2001
From: Andras Fekete <andras@wolfssl.com>
Date: Tue, 24 Oct 2023 17:47:31 -0400
Subject: [PATCH] Fix possible memory leak

---
 src/x509.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/x509.c b/src/x509.c
index 0780601e4..0bf17ba8e 100644
--- a/src/x509.c
+++ b/src/x509.c
@@ -14098,7 +14098,8 @@ int wolfSSL_X509_REQ_add1_attr_by_NID(WOLFSSL_X509 *req,
             }
         }
         ret = wolfSSL_sk_push(req->reqAttributes, attr);
-        if (ret != WOLFSSL_SUCCESS) {
+        if ((ret != WOLFSSL_SUCCESS) || (req->reqAttributes->type == STACK_TYPE_CIPHER)) {
+            /* CIPHER type makes a copy */
             wolfSSL_X509_ATTRIBUTE_free(attr);
         }
     }