Vulnerability in xorg-server < 1.11.3 may allow local information disclosure
http://www.debian.org/security/2011/dsa-2364
http://security-tracker.debian.org/tracker/CVE-2011-4029
Patch: http://cgit.freedesktop.org/xorg/xserver/patch/?id=b67581cf825940fdf52bf2e0af4330e695d724a4
(from redmine: issue id 881, created on 2011-12-20, closed on 2012-01-04)