CVE-2007-5585: xscreensaver 5.03 and earlier, when running without xscreensaver-gl-extras (GL extras) installed, crashes w...

Security readout for executives and security teams

This issue can turn a screen lock failure into session access. On systems running xscreensaver 5.03 or earlier without the GL extras/helper present, the unlock process can crash, potentially exposing the already logged-in user session to someone physically at the machine. Exposure is mainly Linux desktop or workstation environments using old xscreensaver packages, especially Fedora-era deployments or long-lived systems. Servers without graphical locked sessions are unlikely to be affected. Treat this as a targeted workstation hardening issue, not an internet-scale emergency. Prioritize shared terminals, labs, kiosks, and any desktop systems where physical access by untrusted users is realistic. Mitigation focus: Apply the relevant vendor xscreensaver update where available.; Check Red Hat/Fedora guidance for the corrected package version.; Avoid affected xscreensaver 5.03 or earlier configurations..

Prepared

Jun 29, 2026, 02:08 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.