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CVE-2021-39933

MEDIUM CVSS: 4.3 Published: 2021-12-13 Modified: 2026-06-17

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.10 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2. A regular expression used for handling user input (notes, comments, etc) was susceptible to catastrophic backtracking that could cause a DOS attack.

Affected Platforms

Gitlab Gitlab

Weakness Type

CWE-1333

References