=========================================================================Ubuntu Security Notice USN-3263-1
April 21, 2017

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

- Ubuntu 17.04
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

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

Software Description:
- freetype: FreeType 2 is a font engine library

Details:

It was discovered that a heap-based buffer overflow existed in the
FreeType library. If a user were tricked into using a specially
crafted font file, a remote attacker could cause FreeType to crash,
resulting in a denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 17.04:
  libfreetype6                    2.6.3-3ubuntu2.1

Ubuntu 16.10:
  libfreetype6                    2.6.3-3ubuntu1.2

Ubuntu 16.04 LTS:
  libfreetype6                    2.6.1-0.1ubuntu2.2

Ubuntu 14.04 LTS:
  libfreetype6                    2.5.2-1ubuntu2.7

Ubuntu 12.04 LTS:
  libfreetype6                    2.4.8-1ubuntu2.5

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

References:
  https://ubuntu.com/security/notices/USN-3263-1
  CVE-2016-10328

Package Information:
  https://launchpad.net/ubuntu/+source/freetype/2.6.3-3ubuntu2.1
  https://launchpad.net/ubuntu/+source/freetype/2.6.3-3ubuntu1.2
  https://launchpad.net/ubuntu/+source/freetype/2.6.1-0.1ubuntu2.2
  https://launchpad.net/ubuntu/+source/freetype/2.5.2-1ubuntu2.7
  https://launchpad.net/ubuntu/+source/freetype/2.4.8-1ubuntu2.5