{"action":"Upgrade libwebsockets to 4.3.5-3 or later.","affected":[{"fixed":"4.3.5-3","introduced":"0"}],"component":"libwebsockets","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.3.5-3"],"id":"tcs_01M5NMVSYP95TWM7CYSQSHXTPG","modified_at":"2026-10-09T10:00:45.973305093Z","published_at":"2025-10-20T14:15:39.357Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-11677","https://security-tracker.debian.org/tracker/CVE-2025-11677"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-11677#Debian:14/libwebsockets","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-11677"}],"summary":"Use After Free in WebSocket server implementation in lws_handshake_server in warmcat libwebsockets may allow an attacker, in specific configurations where the user provides a callback function that ha"}