CVE-2023-2198

2023-06-0700:00:00

ubuntu.com

cve-2023-2198

regular expression denial of service

preview_markdown endpoint

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

29.7%

JSON

An issue has been discovered in GitLab CE/EE affecting all versions
starting from 8.7 before 15.10.8, all versions starting from 15.11 before
15.11.7, all versions starting from 16.0 before 16.0.2. A Regular
Expression Denial of Service was possible via sending crafted payloads to
the preview_markdown endpoint.