CVE-2016-4422: Debian Linux

Critical severity, CVSS 9.8. EPSS: 1.8% chance of exploitation in the next 30 days.

The pam_sm_authenticate function in pam_sshauth.c in libpam-sshauth might allow context-dependent attackers to bypass authentication or gain privileges via a system user account.

Affected products

• Debian Debian Linux: version 8.0 only
• Libpam-Sshauth Project Libpam-Sshauth: affected versions not specified

Published 2016-05-06. Last modified 2026-06-17.