USN-1855-1: libxcb vulnerability

Ubuntu Security Notice USN-1855-1

5th June, 2013

libxcb vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

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

Summary

Several security issues were fixed in libxcb.

Software description

  • libxcb - X C Binding

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 version:

Ubuntu 13.04:
libxcb1 1.8.1-2ubuntu2.1
Ubuntu 12.10:
libxcb1 1.8.1-1ubuntu1.1
Ubuntu 12.04 LTS:
libxcb1 1.8.1-1ubuntu0.2
Ubuntu 10.04 LTS:
libxcb1 1.5-2ubuntu0.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References

CVE-2013-2064