{"id":"CVE-2022-39271","aliases":["GHSA-c6hx-pjc3-7fqr"],"url":"https://o3.security/vulnerability/CVE-2022-39271","summary":"Traefik HTTP/2 connections management could cause a denial of service","details":"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.","published":"2022-10-11T00:00:00Z","modified":"2026-08-08T03:47:33.664816191Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/traefik/traefik/v2","fixedVersion":"2.8.8"},{"ecosystem":"Go","name":"github.com/traefik/traefik/v2","fixedVersion":"2.9.0-rc5"}],"fix":null,"references":[{"type":"WEB","url":"https://github.com/traefik/traefik/releases/tag/v2.8.8"},{"type":"WEB","url":"https://github.com/traefik/traefik/releases/tag/v2.9.0-rc5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/39xxx/CVE-2022-39271.json"},{"type":"ADVISORY","url":"https://github.com/traefik/traefik/security/advisories/GHSA-c6hx-pjc3-7fqr"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-39271"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-08T03:47:33.664816191Z"}}