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.
Published: 2023-08-02
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

Vendor Solution

Upgrade to versions 16.2.2, 16.1.3, 16.0.8 or above.

Tracking

Sign in to view the affected projects.

Advisories
Source ID Title
EUVD EUVD EUVD-2023-44617 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.
History

Thu, 03 Oct 2024 07:45:00 +0000

Type Values Removed Values Added
Weaknesses CWE-400

Thu, 03 Oct 2024 06:30:00 +0000

Type Values Removed Values Added
Title Uncontrolled Resource Consumption in GitLab Inefficient Regular Expression Complexity in GitLab

Thu, 19 Sep 2024 02:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sat, 31 Aug 2024 08:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 30 Aug 2024 20:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 29 Aug 2024 15:15:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

cve-icon MITRE

Status: PUBLISHED

Assigner: GitLab

Published:

Updated: 2025-11-20T04:09:23.305Z

Reserved: 2023-07-28T09:01:26.489Z

Link: CVE-2023-3994

cve-icon Vulnrichment

Updated: 2024-08-02T07:08:50.873Z

cve-icon NVD

Status : Modified

Published: 2023-08-02T01:15:09.773

Modified: 2024-11-21T08:18:29.510

Link: CVE-2023-3994

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-08-02T00:00:00Z

Links: CVE-2023-3994 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses