Ubuntu 13.04 USN-1862-1 Critical Libxrandr DoS Security Fix

ubuntu

June 5, 2013

Several security issues were fixed in libxrandr.

Summary

Several security issues were fixed in libxrandr.

Software Description:

- libxrandr: X11 RandR extension library

- libxrandr-lts-quantal: X11 RandR extension library

Details:

Ilja van Sprundel discovered multiple security issues in various X.org

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.

Topics Covered

security advisory denial of service ubuntu libxrandr X11 library

Update Instructions

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

Ubuntu 13.04:
  libxrandr2                      2:1.4.0-1ubuntu1.1

Ubuntu 12.10:
  libxrandr2                      2:1.4.0-1ubuntu0.1

Ubuntu 12.04 LTS:
  libxrandr-ltsq2                 2:1.4.0-1~precise2
  libxrandr2                      2:1.3.2-2ubuntu0.2

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