From fdadbaaad56d00d89aeb389e07a3b339182b05b7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Adri=C3=A0=20Arrufat?= <adria.arrufat@gmail.com>
Date: Mon, 27 Apr 2026 17:32:01 +0200
Subject: [PATCH] http: free curl header list on error

---
 src/network/http.zig | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/network/http.zig b/src/network/http.zig
index 8e2a645d7..e97e779f2 100644
--- a/src/network/http.zig
+++ b/src/network/http.zig
@@ -64,6 +64,8 @@ pub const Headers = struct {
         if (header_list == null) {
             return error.OutOfMemory;
         }
+        // libcurl leaves the list intact when curl_slist_append fails, so we own it.
+        errdefer libcurl.curl_slist_free_all(header_list);
 
         // Always add sec-CH-UA header
         const with_sec_ch_ua = libcurl.curl_slist_append(header_list, Config.HttpHeaders.sec_ch_ua);