What is CVE-2023-6736?

CVE-2023-6736 is a medium-severity vulnerability in Gitlab, classified under Inefficient Regular Expression Complexity. CVSS score: 6.5/10. Published 2024-02-07.

How severe is CVE-2023-6736?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Gitlab

CVE-2023-6736

An issue has been discovered in GitLab EE affecting all versions starting from 11.3 before 16.7.6, all versions starting from 16.8 before 16.8.3, all versions starting from 16.9 before 16.9.1. It was possible for an attacker to cause a client-side denial of service using malicious crafted content in the CODEOWNERS file.

Vulnerability class: ReDoS (Regular Expression Denial of Service)

EPSS: 0.006 (47.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Gitlab — versions 11.3, 16.9, 16.9.0

Weakness classification (CWE)

CWE-1333 — Inefficient Regular Expression Complexity

References

cve@gitlab.com (issue-tracking, permissions-required, Issue Tracking, Vendor Advisory)
cve@gitlab.com (Technical Description, Permissions Required, technical-description, permissions-required, exploit)

Frequently asked questions

What is CVE-2023-6736?: CVE-2023-6736 is a medium-severity vulnerability in Gitlab, classified under Inefficient Regular Expression Complexity. CVSS score: 6.5/10. Published 2024-02-07.
How severe is CVE-2023-6736?: Medium severity. CVSS v3 base score is 6.5 out of 10.