From 955e2769f7864899b500827acde7ddc1f0ba6784 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Wed, 22 Mar 2023 13:10:45 +0100
Subject: [PATCH] digest: clear target buffer

Closes #10814
---
 lib/vauth/digest.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/vauth/digest.c b/lib/vauth/digest.c
index b7a0d92a31..fda2d911f7 100644
--- a/lib/vauth/digest.c
+++ b/lib/vauth/digest.c
@@ -694,6 +694,7 @@ static CURLcode auth_create_digest_http_message(
   char *hashthis = NULL;
   char *tmp = NULL;
 
+  memset(hashbuf, 0, sizeof(hashbuf));
   if(!digest->nc)
     digest->nc = 1;