USN-1854-1: libx11 vulnerabilities

Releases

• Ubuntu 13.04
• Ubuntu 12.10
• Ubuntu 12.04
• Ubuntu 10.04

Packages

• libx11 - X11 client-side 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.

Update instructions

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

Ubuntu 13.04

• libx11-6 - 2:1.5.0-1ubuntu1.1

Ubuntu 12.10

• libx11-6 - 2:1.5.0-1ubuntu0.1

Ubuntu 12.04

• libx11-6 - 2:1.4.99.1-0ubuntu2.1

Ubuntu 10.04

• libx11-6 - 2:1.3.2-1ubuntu3.1

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

References

• CVE-2013-1981
• CVE-2013-1997
• CVE-2013-2004