CVE-2023-3994

Published: Aug 2, 2023Modified: Jun 17, 2026

7.5

Vector

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

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 9.3 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. A Regular Expression Denial of Service was possible via sending crafted payloads which use ProjectReferenceFilter to the preview_markdown endpoint.

Affected (6)

Products: Gitlab: Gitlab

Gitlab

1 product

Gitlab

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Gitlab Gitlab	16.1 ≤ version < 16.1.3
Gitlab Gitlab	16.2 ≤ version < 16.2.2
Gitlab Gitlab	9.3 ≤ version < 16.0.8
Gitlab Gitlab	16.1 ≤ version < 16.1.3
Gitlab Gitlab	16.2 ≤ version < 16.2.2
Gitlab Gitlab	9.3 ≤ version < 16.0.8