From: x2018 <xkernel.wang@foxmail.com>
Date: Sun, 9 Nov 2025 16:24:10 +0000 (+0800)
Subject: rustls: fix a potential memory issue
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3f1a8dbb983ebc60062bbf44a25b9c51bfacd648;p=thirdparty%2Fcurl.git

rustls: fix a potential memory issue

Closes #19425
---

diff --git a/lib/vtls/rustls.c b/lib/vtls/rustls.c
index 262f016f9f..ab22909278 100644
--- a/lib/vtls/rustls.c
+++ b/lib/vtls/rustls.c
@@ -1098,8 +1098,6 @@ cr_init_backend(struct Curl_cfilter *cf, struct Curl_easy *data,
     &backend->config);
   if(rr != RUSTLS_RESULT_OK) {
     rustls_failf(data, rr, "failed to build client config");
-    rustls_client_config_builder_free(config_builder);
-    rustls_client_config_free(backend->config);
     return CURLE_SSL_CONNECT_ERROR;
   }
 
@@ -1109,6 +1107,8 @@ cr_init_backend(struct Curl_cfilter *cf, struct Curl_easy *data,
                                     &rconn);
   if(rr != RUSTLS_RESULT_OK) {
     rustls_failf(data, rr, "rustls_client_connection_new");
+    rustls_client_config_free(backend->config);
+    backend->config = NULL;
     return CURLE_COULDNT_CONNECT;
   }
   DEBUGASSERT(rconn);