CVE-2023-3364

HIGH

GitLab CE/EE <16.0.8-16.1.3-16.2.2 - DoS

Title source: llm

Description

An issue has been discovered in GitLab CE/EE affecting all versions starting from 8.14 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 AutolinkFilter to the preview_markdown endpoint.

References (2)

[Broken Link] https://gitlab.com/gitlab-org/gitlab/-/issues/415995

[Permissions Required] https://hackerone.com/reports/1959727

Scores

CVSS v3 7.5

EPSS 0.0471

EPSS Percentile 89.4%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable yes

Technical Impact partial

Details

CWE

CWE-1333

Status published

Products (1)

gitlab/gitlab 8.14 - 16.0.8 (2 CPE variants)

Published Aug 02, 2023

Tracked Since Feb 18, 2026