An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.7 before 15.10.8, all versions starting from 15.11 before 15.11.7, all versions starting from 16.0 before 16.0.2. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.

Related CVEs

CVE-2023-2198

Key Information

GHSA ID

GHSA-2p9w-5q3p-g7cv

Published

June 7, 2023 6:30 PM

Last Modified

April 4, 2024 4:39 AM

CVSS Score

7.5 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: June 16, 2025 6:25 AM

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