UpHeron
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Servers and applications

CVE-2021-39939

An uncontrolled resource consumption vulnerability in GitLab Runner affecting all versions starting from 13.7 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker triggering a job with a specially crafted docker image to exhaust resources on runner manager

Severity
Medium 6.5
Published
13 Dec 2021
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
14.3.6, 14.4.4, 14.5.2
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 13.7.0 before 14.3.6
  • From 14.4.0 before 14.4.4
  • From 14.5.0 before 14.5.2

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-39939
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-39939