CVE-2011-3349: Lightdm Project Lightdm

High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days.

lightdm before 0.9.6 writes in .dmrc and Xauthority files using root permissions while the files are in user controlled folders. A local user can overwrite root-owned files via a symlink, which can allow possible privilege escalation.

Affected products

• Lightdm Project Lightdm: before 0.9.6 (fixed in 0.9.6)

Published 2019-11-19. Last modified 2026-06-16.