Description (CNA)
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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| warmcat / libwebsockets | affected 3 through 4.4.1,4.3.6 |
CWE
CWE-416
References
- https://libwebsockets.org/git/libwebsockets/commit?id=2f082ec31261f556969160143ba94875d783971a
- https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2025-11677
ADP enrichment
No English description supplied.
No references supplied.