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CVE-2021-39917

nvd nist
Published: Dec 13, 2021Modified: Jun 17, 2026

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6.5
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Exploitability: 2.8 / Impact: 3.6
Source: NVD

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 (6)

Products: Gitlab: Gitlab
Gitlab
1 product
Gitlab
Configuration A
6 vulnerable
Vulnerable SoftwareAffected Versions
Gitlab
Gitlab
12.9.0 ≤ version < 14.3.6
Gitlab
14.4.0 ≤ version < 14.4.4
Gitlab
14.5.0 ≤ version < 14.5.2
Gitlab
12.9.0 ≤ version < 14.3.6
Gitlab
14.4.0 ≤ version < 14.4.4
Gitlab
14.5.0 ≤ version < 14.5.2

Related CWEs

CWE-697
Incorrect Comparison
The product compares two entities in a security-relevant context, but the comparison is incorrect, which may lead to resultant weaknesses.

References (6)

Source: cve@gitlab.com
Vendor Advisory
Source: cve@gitlab.com
Broken Link
Source: cve@gitlab.com
Permissions RequiredThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Broken Link
Source: af854a3a-2127-422b-91ae-364da2661108
Permissions RequiredThird Party Advisory

Timeline

No history available yet.