From: Viktor Szakats <commit@vsz.me>
Date: Tue, 12 May 2026 16:19:26 +0000 (+0200)
Subject: ldap: fix to not leak `attribute` on OOM (WinLDAP)
X-Git-Tag: rc-8_21_0-1~181
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eca309c2a1fd60b8bf6b1ca19008ac601e99d40e;p=thirdparty%2Fcurl.git

ldap: fix to not leak `attribute` on OOM (WinLDAP)

Reported-by: Andrew Nesbitt

Closes #21576
---

diff --git a/lib/ldap.c b/lib/ldap.c
index f476da4ea0..0f9e782171 100644
--- a/lib/ldap.c
+++ b/lib/ldap.c
@@ -474,6 +474,7 @@ static CURLcode ldap_do(struct Curl_easy *data, bool *done)
 #ifdef USE_WIN32_LDAP
       char *attr = curlx_convert_tchar_to_UTF8(attribute);
       if(!attr) {
+        ldap_memfree(attribute);
         result = CURLE_OUT_OF_MEMORY;
         goto quit;
       }