CVE-2022-4131

State: Published
Severity: 4.3 Medium
Published: Jan 12, 2023
Updated: Apr 8, 2025
Reserved: Nov 23, 2022

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.8 before 15.5.7, all versions starting from 15.6 before 15.6.4, all versions starting from 15.7 before 15.7.2. An attacker may cause Denial of Service on a GitLab instance by exploiting a regex issue in how the application parses user agents.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L	GitLab

Weaknesses

CWE-1333 Inefficient Regular Expression Complexity

Affected Products

Product	Versions
GitLabGitLab	>=10.8, <15.5.7Affected >=15.6, <15.6.4Affected >=15.7, <15.7.2Affected

References

https://gitlab.com/gitlab-org/gitlab/-/issues/383598
https://hackerone.com/reports/1772063
https://gitlab.com/gitlab-org/cves/-/blob/master/2022/CVE-2022-4131.json

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