CVE-2019-7639: Fedoraproject Fedora

High severity, CVSS 8.1. EPSS: 1.2% chance of exploitation in the next 30 days.

An issue was discovered in gsi-openssh-server 7.9p1 on Fedora 29. If PermitPAMUserChange is set to yes in the /etc/gsissh/sshd_config file, logins succeed with a valid username and an incorrect password, even though a failure entry is recorded in the /var/log/messages file.

Affected products

• Fedoraproject Fedora: version 28 only; version 29 only
• Gsi-OpenSSH Project Gsi-OpenSSH: version 7.9 only

Published 2019-02-08. Last modified 2026-06-17.