USN-1862-1: libxrandr vulnerability

05 June 2013

Several security issues were fixed in libxrandr.



  • libxrandr - X11 RandR extension library
  • libxrandr-lts-quantal - X11 RandR extension library


Ilja van Sprundel discovered multiple security issues in various
libraries and components. An attacker could use these issues to cause
applications to crash, resulting in a denial of service, or possibly
execute arbitrary code.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 13.04
Ubuntu 12.10
Ubuntu 12.04

After a standard system update you need to restart your session to make all
all the necessary changes.