From 19ca87d4e2a1b2b22bb693feddf0831b07ae0f63 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 26 Dec 2025 11:00:00 +0100
Subject: [PATCH] cf-socket: return OOM error if socket() failes due to OOM

Closes #20100
---
 lib/cf-socket.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/cf-socket.c b/lib/cf-socket.c
index c0f01c1a00..ce728f5b3e 100644
--- a/lib/cf-socket.c
+++ b/lib/cf-socket.c
@@ -346,6 +346,8 @@ static CURLcode socket_open(struct Curl_easy *data,
   else {
     /* opensocket callback not set, so simply create the socket now */
     *sockfd = CURL_SOCKET(addr->family, addr->socktype, addr->protocol);
+    if((*sockfd == CURL_SOCKET_BAD) && (SOCKERRNO == SOCKENOMEM))
+      return CURLE_OUT_OF_MEMORY;
   }
 
   if(*sockfd == CURL_SOCKET_BAD) {
-- 
2.47.3