USN-1686-1: FreeType vulnerabilities

Ubuntu Security Notice USN-1686-1

14th January, 2013

freetype vulnerabilities

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

  • Ubuntu 12.10
  • Ubuntu 12.04 LTS
  • Ubuntu 11.10
  • Ubuntu 10.04 LTS
  • Ubuntu 8.04 LTS


FreeType could be made to crash or run programs as your login if it opened a specially crafted file.

Software description

  • freetype - FreeType 2 is a font engine library


Mateusz Jurczyk discovered that FreeType did not correctly handle certain
malformed BDF font files. If a user were tricked into using a specially
crafted font file, a remote attacker could cause FreeType to crash or
possibly execute arbitrary code with user privileges.

Update instructions

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

Ubuntu 12.10:
libfreetype6 2.4.10-0ubuntu1.1
Ubuntu 12.04 LTS:
libfreetype6 2.4.8-1ubuntu2.1
Ubuntu 11.10:
libfreetype6 2.4.4-2ubuntu1.3
Ubuntu 10.04 LTS:
libfreetype6 2.3.11-1ubuntu2.7
Ubuntu 8.04 LTS:
libfreetype6 2.3.5-1ubuntu4.8.04.10

To update your system, please follow these instructions:

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


CVE-2012-5668, CVE-2012-5669, CVE-2012-5670