An issue has been discovered in GitLab CE/EE affecting all versions starting from 9.3 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use ProjectReferenceFilter to the preview_markdown endpoint.

Related CVEs

CVE-2023-3994

Key Information

GHSA ID

GHSA-5jfm-fvc2-73xf

Published

August 2, 2023 3:30 AM

Last Modified

April 4, 2024 6:29 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.