CVE-2023-3424

HIGH

Gitlab < 15.11.10 - Denial of Service

Title source: rule

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 10.3 before 15.11.10, all versions starting from 16.0 before 16.0.6, all versions starting from 16.1 before 16.1.1. A Regular Expression Denial of Service was possible via sending crafted payloads to the preview_markdown endpoint.

References (2)

[Broken Link, Vendor Advisory] https://gitlab.com/gitlab-org/gitlab/-/issues/409802

[Third Party Advisory] https://hackerone.com/reports/1960970

Scores

CVSS v3 7.5

EPSS 0.0060

EPSS Percentile 69.2%

Attack Vector NETWORK

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

Classification

CWE

CWE-1333

Status published

Affected Products (2)

gitlab/gitlab < 15.11.10

Timeline

Published Jul 13, 2023

Tracked Since Feb 18, 2026