CVEvulnerability
CVE-2023-3994
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-08-02
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 3.1 ([email protected])
- 7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-1333
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 configurations
• gitlab gitlab (>= 9.3 < 16.0.8)
• gitlab gitlab (>= 16.1 < 16.1.3)
• gitlab gitlab (>= 16.2 < 16.2.2)
Related
Weakness · CWE (1)
- CWE-1333 Inefficient Regular Expression Complexity weakness
References
- https://gitlab.com/gitlab-org/gitlab/-/issues/416225 Broken Link
- https://hackerone.com/reports/1963255 Permissions Required
- https://gitlab.com/gitlab-org/gitlab/-/issues/416225 Broken Link
- https://hackerone.com/reports/1963255 Permissions Required