Debian Security Advisory DSA 3095-1 (xorg-server - security update)

Summary
Ilja van Sprundel of IOActive discovered several security issues in the X.org X server, which may lead to privilege escalation or denial of service.
Solution
For the stable distribution (wheezy), these problems have been fixed in version 1.12.4-6+deb7u5. For the upcoming stable distribution (jessie), these problems will be fixed soon. For the unstable distribution (sid), these problems have been fixed in version 2:1.16.2.901-1. We recommend that you upgrade your xorg-server packages.
Insight
The Xorg X server is an X server for several architectures and operating systems, which is derived from the XFree86 4.x series of X servers.
Affected
xorg-server on Debian Linux
Detection
This check tests the installed software version using the apt package manager.
References