USN-2739-1: FreeType vulnerabilities

Ubuntu Security Notice USN-2739-1

10th 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 version:

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

CVE-2014-9745, LP: 1449225