USN-2739-1: FreeType vulnerabilities

10 September 2015

freetype vulnerabilities

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

  • Ubuntu 15.04
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

Several security issues were fixed in FreeType.

Software Description

  • freetype - FreeType 2 is a font engine library

Details

It was discovered that FreeType did not correctly handle certain malformed font files. If a user were tricked into using a specially crafted font file, a remote attacker could cause FreeType to crash or hang, resulting in a denial of service, or possibly expose uninitialized memory.

Update instructions

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

Ubuntu 15.04
libfreetype6 - 2.5.2-2ubuntu3.1
Ubuntu 14.04 LTS
libfreetype6 - 2.5.2-1ubuntu2.5
Ubuntu 12.04 LTS
libfreetype6 - 2.4.8-1ubuntu2.3

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