CVE-2025-12983 – Memory Allocation with Excessive Size Value in GitLab

CVE ID : CVE-2025-12983

Published : Nov. 15, 2025, 8:13 a.m. | 49 minutes ago

Description : 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.

Severity: 3.5 | LOW

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