Skip to content
VulniPulse
Medium6.5GitLab

Medium [CVE-2023-6159] Inefficient Regular Expression Complexity in GitLab

This medium-severity GitLab advisory covers CVE-2023-6159 affecting GitLab.

CVE-2023-6159 Published Jan 26, 2024Updated by vendor Aug 14, 2026
Affected products & platforms
GitLabUnclassified
Open vendor advisory

Android app · Google Play

Monitor future GitLab CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery

Summary

An issue has been discovered in GitLab CE/EE affecting all versions from 12.7 prior to 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1 It was possible for an attacker to trigger a Regular Expression Denial of Service via a `Cargo.toml` containing maliciously crafted input.

Affected versions
  • GitLab 12.7 before 16.6.6
  • GitLab 16.7 before 16.7.4
  • GitLab 16.8 before 16.8.1

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

Fixed versions
  • 16.6.6
  • 16.7.4
  • 16.8.1

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

Mitigation

Upgrade to a fixed release: 16.6.6, 16.7.4, 16.8.1. That is the remediation for this advisory.

The vendor advisory may list additional interim mitigations or workarounds not captured here — review it before change work.

Official advisory · high-confidence parse· fetched 1 hour ago·verify at source

Discussion(0)

No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.

Sign in to join the discussion.