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.
Metrics
Affected Vendors & Products
References
History
Tue, 21 Oct 2025 09:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Warmcat
Warmcat libwebsockets |
|
| Vendors & Products |
Warmcat
Warmcat libwebsockets |
Tue, 21 Oct 2025 00:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
| |
| Metrics |
threat_severity
|
cvssV3_1
|
Mon, 20 Oct 2025 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Mon, 20 Oct 2025 14:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Use After Free in libwebsockets WebSocket server | |
| Weaknesses | CWE-416 | |
| References |
| |
| Metrics |
cvssV4_0
|
Status: PUBLISHED
Assigner: Nozomi
Published: 2025-10-20T13:41:10.787Z
Updated: 2025-10-24T10:54:30.961Z
Reserved: 2025-10-13T09:56:10.952Z
Link: CVE-2025-11677
Updated: 2025-10-20T13:54:12.114Z
Status : Awaiting Analysis
Published: 2025-10-20T14:15:39.357
Modified: 2025-10-21T19:31:25.450
Link: CVE-2025-11677