Source: undertow X-Debbugs-CC: [email protected] Severity: important Tags: security
Hi, The following vulnerability was published for undertow. CVE-2026-81624[0]: | Undertow is a flexible performant web server used in JBoss EAP and | WildFly. A flaw was found in how Undertow handles WebSocket | connections. Specifically, certain configuration limits like message | buffer sizes and session timeouts cannot be adjusted and default to | being unlimited. This allows a remote attacker to send large amounts | of data or maintain connections indefinitely, potentially crashing | the server by exhausting its memory or other resources. https://bugzilla.redhat.com/show_bug.cgi?id=2524868 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-2026-81624 https://www.cve.org/CVERecord?id=CVE-2026-81624 Please adjust the affected versions in the BTS as needed.
