CVE-2023-3424

Inefficient Regular Expression Complexity in GitLab

Published Jul 13, 2023 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.3 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.

Remediation

Vendor Solution

Upgrade to versions 16.1.1, 16.0.6, 15.11.10 or above.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-44090 An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.3 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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

Sources

Status
PUBLISHED
Assigner
GitLab
Published
Updated
Oct 30, 2024, 7:29 PM
Reserved
Jun 27, 2023, 5:16 AM
Status
Modified
Published
Jul 13, 2023, 3:15 AM
Modified
Jun 17, 2026, 6:14 AM