CVE-2026-42577

Description

Netty is an asynchronous, event-driven network application framework. From 4.2.0.Final to 4.2.13.Final , Netty's epoll transport fails to detect and close TCP connections that receive a RST after being half-closed, leading to stale channels that are never cleaned up and, in some code paths, a 100% CPU busy-loop in the event loop thread. This vulnerability is fixed in 4.2.13.Final.

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Produits concernés

• netty
• Netty netty

Scores CVSS

Faiblesses (CWE)

• CWE-772

Références

• https://github.com/netty/netty/commit/0ec3d97fab376e243d328ac95fbd288ba0f6e22d Patch
• https://github.com/netty/netty/pull/16689 Issue TrackingPatch
• https://github.com/netty/netty/security/advisories/GHSA-rwm7-x88c-3g2p MitigationVendor Advisory

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories