From 821cba8facfea8394b4e9f9401700758cd0a63e3 Mon Sep 17 00:00:00 2001
From: x2018 <xkernel.wang@foxmail.com>
Date: Mon, 17 Nov 2025 19:37:35 +0800
Subject: [PATCH] digest_sspi: fix a memory leak on error path

Closes #19567
---
 lib/vauth/digest_sspi.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/vauth/digest_sspi.c b/lib/vauth/digest_sspi.c
index f04c3845ab..f730c52987 100644
--- a/lib/vauth/digest_sspi.c
+++ b/lib/vauth/digest_sspi.c
@@ -583,6 +583,7 @@ CURLcode Curl_auth_create_digest_http_message(struct Curl_easy *data,
     /* Allocate our new context handle */
     digest->http_context = calloc(1, sizeof(CtxtHandle));
     if(!digest->http_context) {
+      Curl_pSecFn->FreeCredentialsHandle(&credentials);
       curlx_unicodefree(spn);
       Curl_sspi_free_identity(p_identity);
       free(output_token);