Source: libwebsockets Version: 4.3.5-1 Severity: important Tags: security upstream X-Debbugs-Cc: [email protected], Debian Security Team <[email protected]>
Hi, The following vulnerability was published for libwebsockets. CVE-2025-11677[0]: | 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 handles LWS_CALLBACK_HTTP_CONFIRM_UPGRADE, to achieve | denial of service. If you fix the vulnerability please also make sure to include the CVE (Common Vulnerabilities & Exposures) id in your changelog entry. For further information see: [0] https://security-tracker.debian.org/tracker/CVE-2025-11677 https://www.cve.org/CVERecord?id=CVE-2025-11677 [1] https://libwebsockets.org/git/libwebsockets/commit?id=2f082ec31261f556969160143ba94875d783971a Please adjust the affected versions in the BTS as needed. Regards, Salvatore

