CVE-2023-6159 MEDIUM

CVE-2023-6159: Inefficient Regular Expression Complexity in GitLab

Vendor Gitlab
Product GitLab
Weakness CWE-1333
Published January 26, 2024
Last update May 6, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

An issue has been discovered in GitLab CE/EE affecting all versions from 12.7 prior to 16.6.6, 16.7 prior to 16.7.4, and 16.8 prior to 16.8.1 It was possible for an attacker to trigger a Regular Expression Denial of Service via a `Cargo.toml` containing maliciously crafted input.

Key dates

02Disclosure timeline

January 26, 2024 CVE published
May 6, 2026 Record updated