CVE-2023-3364 Information

Description

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.

Reference

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