CVE-2022-39271

Traefik (pronounced traffic) is a modern HTTP reverse proxy and load balancer that assists in deploying microservices. There is a potential vulnerability in Traefik managing HTTP/2 connections. A closing HTTP/2 server connection could hang forever because of a subsequent fatal error. This failure mode could be exploited to cause a denial of service. There has been a patch released in versions 2.8.8 and 2.9.0-rc5. There are currently no known workarounds.

• CWE-400
• CWE-755

• https://github.com/traefik/traefik/releases/tag/v2.8.8Release Notes, Third Party Advisory
• https://github.com/traefik/traefik/releases/tag/v2.9.0-rc5Release Notes, Third Party Advisory
• https://github.com/traefik/traefik/security/advisories/GHSA-c6hx-pjc3-7fqrPatch, Third Party Advisory
• https://github.com/traefik/traefik/releases/tag/v2.8.8Release Notes, Third Party Advisory
• https://github.com/traefik/traefik/releases/tag/v2.9.0-rc5Release Notes, Third Party Advisory
• https://github.com/traefik/traefik/security/advisories/GHSA-c6hx-pjc3-7fqrPatch, Third Party Advisory

Published

Oct 11, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2022-39266isolated-vm is a library for nodejs which gives the user acc…9.8
• CVE-2022-39267Bifrost is a heterogeneous middleware that synchronizes MySQ…8.8
• CVE-2022-39268### Impact In a CSRF attack, an innocent end user is tricked…8.1
• CVE-2022-39269PJSIP is a free and open source multimedia communication lib…9.1
• CVE-2022-3927 The affected products store both public and private key tha…9.8
• CVE-2022-39270DiscoTOC is a Discourse theme component that generates a tab…5.4
• CVE-2022-39272Flux is an open and extensible continuous delivery solution …4.3
• CVE-2022-39273FlyteAdmin is the control plane for the data processing plat…7.5
• CVE-2022-39274LoRaMac-node is a reference implementation and documentation…9.8
• CVE-2022-39275Saleor is a headless, GraphQL commerce platform. In affected…4.3
• CVE-2022-39276GLPI stands for Gestionnaire Libre de Parc Informatique. GLP…5.3
• CVE-2022-39277GLPI stands for Gestionnaire Libre de Parc Informatique. GLP…4.8