CVE-2015-3245: Red Hat Libuser

Low severity, CVSS 2.1. EPSS: 5.3% chance of exploitation in the next 30 days.

Incomplete blacklist vulnerability in the chfn function in libuser before 0.56.13-8 and 0.60 before 0.60-7, as used in the userhelper program in the usermode package, allows local users to cause a denial of service (/etc/passwd corruption) via a newline character in the GECOS field.

Affected products

• Red Hat Libuser: up to and including 0.56.13-5; version 0.60-1 only; version 0.60-2 only; version 0.60-3 only; version 0.60-4 only; version 0.60-5 only; …

Published 2015-08-11. Last modified 2026-06-17.