UpHeron
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Servers and applications

CVE-2021-39940

An issue has been discovered in GitLab CE/EE affecting all versions starting from 13.2 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. GitLab Maven Package registry is vulnerable to a regular expression denial of service when a specifically crafted string is sent.

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 13.2.0 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-2021-39940
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-39940