USN-767-1: FreeType vulnerability

Ubuntu Security Notice USN-767-1

27th April, 2009

freetype vulnerability

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

  • Ubuntu 9.04
  • Ubuntu 8.10
  • Ubuntu 8.04 LTS
  • Ubuntu 6.06 LTS

Software description

  • freetype


Tavis Ormandy discovered that FreeType did not correctly handle certain
large values in font files. If a user were tricked into using a specially
crafted font file, a remote attacker could execute arbitrary code with user

Update instructions

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

Ubuntu 9.04:
libfreetype6 2.3.9-4ubuntu0.1
Ubuntu 8.10:
libfreetype6 2.3.7-2ubuntu1.1
Ubuntu 8.04 LTS:
libfreetype6 2.3.5-1ubuntu4.8.04.2
Ubuntu 6.06 LTS:
libfreetype6 2.1.10-1ubuntu2.6

To update your system, please follow these instructions:

After a standard system upgrade you need to restart your session to effect
the necessary changes.