USN-643-1: FreeType vulnerabilities

Ubuntu Security Notice USN-643-1

11th September, 2008

freetype vulnerabilities

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

  • Ubuntu 8.04 LTS
  • Ubuntu 7.10
  • Ubuntu 7.04
  • Ubuntu 6.06 LTS

Software description

  • freetype


Multiple flaws were discovered in the PFB and TTF font handling code
in freetype. If a user were tricked into using a specially crafted
font file, a remote attacker could execute arbitrary code with user
privileges or cause the application linked against freetype to crash,
leading to a denial of service.

Update instructions

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

Ubuntu 8.04 LTS:
libfreetype6 2.3.5-1ubuntu4.8.04.1
Ubuntu 7.10:
libfreetype6 2.3.5-1ubuntu4.7.10.1
Ubuntu 7.04:
libfreetype6 2.2.1-5ubuntu1.2
Ubuntu 6.06 LTS:
libfreetype6 2.1.10-1ubuntu2.5

To update your system, please follow these instructions:

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


CVE-2008-1806, CVE-2008-1807, CVE-2008-1808