CVE-2007-3920: Compiz

Medium severity, CVSS 6.2. EPSS: 0.4% chance of exploitation in the next 30 days.

GNOME screensaver 2.20 in Ubuntu 7.10, when used with Compiz, does not properly reserve input focus, which allows attackers with physical access to take control of the session after entering an Alt-Tab sequence, a related issue to CVE-2007-3069.

Affected products

• Compiz Compiz: any version
• Gnome Screensaver: version 2.20 only

Published 2007-10-29. Last modified 2026-06-16.