Description
A vulnerable regular expression pattern in GitLab CE/EE since version 8.15 before 14.3.6, all versions starting from 14.4 before 14.4.4, all versions starting from 14.5 before 14.5.2, allows an attacker to cause uncontrolled resource consumption leading to Denial of Service via specially crafted deploy Slash commands
References (2)
Core 2
Core References
Broken Link x_refsource_misc
https://gitlab.com/gitlab-org/gitlab/-/issues/344873
Third Party Advisory x_refsource_confirm
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39938.json
Scores
CVSS v3
3.1
EPSS
0.0014
EPSS Percentile
33.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Details
CWE
CWE-400
Status
published
Products (1)
gitlab/gitlab
8.15.0 - 14.3.6 (2 CPE variants)
Published
Dec 13, 2021
Tracked Since
Feb 18, 2026