All vulnerabilities

Servers and applications

CVE-2023-3909

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.3 before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1. A Regular Expression Denial of Service was possible by adding a large string in timeout input in gitlab-ci.yml file.

Severity
Medium 6.5
Published
6 Nov 2023
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
16.3.6, 16.4.2
Sources
NVD

Affected software

SoftwareAffected versions
GitLabServers and applications · cpe:a:gitlab:gitlab
  • From 12.3.0 before 16.3.6
  • From 16.4.0 before 16.4.2
  • Version 16.5.0

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2023-3909
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2023-3909