CVEvulnerability

CVE-2021-39917

6.5 MEDIUM Published 2021-12-13 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-12-13
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.0 MEDIUM — AV:N/AC:L/Au:S/C:N/I:N/A:P
Weaknesses
CWE-697

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.

Affected configurations

• gitlab gitlab (>= 12.9.0 < 14.3.6) • gitlab gitlab (>= 14.4.0 < 14.4.4) • gitlab gitlab (>= 14.5.0 < 14.5.2)

Related

Weakness · CWE (1)

  • CWE-697 Incorrect Comparison weakness

References