USN-2475-1: GTK+ update
15 January 2015
GTK+ improperly handled the menu key, possibly allowing lock screen bypass.
- gtk+3.0 - GTK+ graphical user interface library
Clemens Fries discovered that GTK+ allowed bypassing certain screen locks
by using the menu key. An attacker with physical access could possibly use
this flaw to gain access to a locked session.