cve.bz

CVE-2022-39271

7.5 highEPSS 1.4%

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.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
1.4% chance of exploitation in the next 30 days; higher than 71% of CVEs (scores of 2026-10-31)
CWEs
CWE-755, CWE-400
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-c6hx-pjc3-7fqrGogithub.com/traefik/traefik/v2<2.8.82.8.8
GHSA-c6hx-pjc3-7fqrGogithub.com/traefik/traefik/v2>=2.9.0-rc1 <2.9.0-rc52.9.0-rc5

References

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