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.

Related CVEs

CVE-2023-3424

Key Information

GHSA ID

GHSA-73w2-5f6g-jx42

Published

July 13, 2023 3:30 AM

Last Modified

April 4, 2024 6:06 AM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: August 3, 2025 6:48 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.