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Medium4.3GitLab

Medium [CVE-2023-6489] Inefficient Regular Expression Complexity in GitLab

This medium-severity GitLab advisory covers CVE-2023-6489 affecting GitLab.

CVE-2023-6489 Published Apr 12, 2024Updated by vendor Aug 14, 2026
Affected products & platforms
GitLabUnclassified
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Summary

A denial of service vulnerability was identified in GitLab CE/EE, versions 16.7.7 prior to 16.8.6, 16.9 prior to 16.9.4 and 16.10 prior to 16.10.2 which allows an attacker to spike the GitLab instance resources usage resulting in service degradation via chat integration feature.

Affected versions
  • GitLab 16.7.7 before 16.8.6
  • GitLab 16.9 before 16.9.4
  • GitLab 16.10 before 16.10.2

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

Fixed versions
  • 16.8.6
  • 16.9.4
  • 16.10.2

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

Mitigation

Upgrade to a fixed release: 16.8.6, 16.9.4, 16.10.2. 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)

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