CVE-2023-6489

Inefficient Regular Expression Complexity in GitLab

Published Apr 12, 2024 CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

Upgrade to versions 16.8.6, 16.9.4, 16.10.2 or above.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-58720 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.
History
Type Values Removed Values Added
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*
cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*
Type Values Removed Values Added
Weaknesses CWE-400
Type Values Removed Values Added
Title Uncontrolled Resource Consumption in GitLab Inefficient Regular Expression Complexity in GitLab
Weaknesses CWE-1333
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Gitlab
Gitlab gitlab
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
Vendors & Products Gitlab
Gitlab gitlab
Weaknesses

Sources

Status
PUBLISHED
Assigner
GitLab
Published
Updated
Aug 14, 2026, 4:14 AM
Reserved
Dec 4, 2023, 4:30 PM
Status
Analyzed
Published
Apr 12, 2024, 1:15 AM
Modified
Jun 17, 2026, 6:50 AM