Description
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: 2022-10-11
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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Tracking

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Advisories
Source ID Title
EUVD EUVD EUVD-2022-7073 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.
Github GHSA Github GHSA GHSA-c6hx-pjc3-7fqr Traefik HTTP/2 connections management could cause a denial of service
History

Wed, 23 Apr 2025 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Subscriptions

Traefik Traefik
cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2025-04-23T16:51:43.774Z

Reserved: 2022-09-02T00:00:00.000Z

Link: CVE-2022-39271

cve-icon Vulnrichment

Updated: 2024-08-03T12:00:43.598Z

cve-icon NVD

Status : Modified

Published: 2022-10-11T14:15:09.883

Modified: 2024-11-21T07:17:55.623

Link: CVE-2022-39271

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses