CVE-2015-0856: Fedoraproject Fedora

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

daemon/Greeter.cpp in sddm before 0.13.0 does not properly disable the KDE crash handler, which allows local users to gain privileges by crashing a greeter when using certain themes, as demonstrated by the plasma-workspace breeze theme.

Affected products

• Fedoraproject Fedora: version 22 only
• Sddm Project Sddm: up to and including 0.12.0

Published 2015-11-24. Last modified 2026-06-17.