CVE-2007-1859: Xscreensaver

Medium severity, CVSS 4.6. EPSS: 0.4% chance of exploitation in the next 30 days.

XScreenSaver 4.10, when using a remote directory service for credentials, does not properly handle the results from the getpwuid function in drivers/lock.c when there is no network connectivity, which causes XScreenSaver to crash and unlock the screen and allows local users to bypass authentication.

Affected products

• Xscreensaver Xscreensaver: version 4.10 only

Published 2007-05-02. Last modified 2026-06-16.