#VU119955 Heap-based buffer overflow in Util-linux - CVE-2025-14104

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Main Vulnerability Database Vulnerabilities #VU119955

#VU119955 Heap-based buffer overflow in Util-linux - CVE-2025-14104

Published: December 15, 2025 / Updated: April 1, 2026


Vulnerability identifier: #VU119955
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-14104
CWE-ID: CWE-122
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
Util-linux
Software vendor:
kernel.org

Description

The vulnerability allows a local user to escalate privileges on the system. 

The vulnerability exists due to a boundary error when processing 256-byte usernames within the setpwnam() function. A local user can trigger a heap-based buffer overflow and execute arbitrary code on the target system.

The vulnerability affects any SUID login-utils utility writing to password database.


Remediation

Install update from vendor's website.

External links