CVE-2021-39917

MEDIUM

Gitlab < 14.3.6 - Denial of Service

Title source: rule
STIX 2.1

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.9 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 related to quick actions features was susceptible to catastrophic backtracking that could cause a DOS attack.

Scores

CVSS v3 4.3
EPSS 0.0039
EPSS Percentile 59.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Details

CWE
CWE-697
Status published
Products (1)
gitlab/gitlab 12.9.0 - 14.3.6 (2 CPE variants)
Published Dec 13, 2021
Tracked Since Feb 18, 2026