Medium severityNVD Advisory· Published Oct 20, 2025· Updated Apr 15, 2026
CVE-2025-11677
CVE-2025-11677
Description
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.
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Affected products
2(expand)+ 1 more
- (no CPE)
- (no CPE)
Patches
Vulnerability mechanics
References
2News mentions
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