CVE-2023-3364

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14 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 AutolinkFilter to the preview_markdown endpoint.

Score

CVSS 3.1 7.5 High

Status

Modified - cve@gitlab.com

Published

2023-08-02

Last modified

2025-11-20

Weaknesses

CWE-1333

Affected products

• Gitlab (Gitlab)

References

• https://gitlab.com/gitlab-org/gitlab/-/issues/415995
• https://hackerone.com/reports/1959727