Name: CVE-2025-12983: Memory Allocation with Excessive Size Value
Creator: Rapid7
Published: 2025-11-15T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2025-12983, CWE-789, CVSS 6.5, EPSS 0.00026

GitLab has remediated an issue in GitLab CE/EE affecting all versions from 16.9 before 18.3.6, 18.4 before 18.4.4, and 18.5 before 18.5.2 that could have allowed an authenticated attacker to cause a denial of service condition by submitting specially crafted markdown content with nested formatting patterns.

CVSS Details

CVSS 3.1 Base Score: 6.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Freebsd	—	Upgrade gitlab-ceUpgrade gitlab-ee	Dec 10, 2025	Nov 13, 2025
Gitlab Gitlab	—	Upgrade Gitlab to the latest version	Nov 17, 2025	Nov 15, 2025

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CVSS Details

Covered by Rapid7

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