Ubuntu 16.04 LTS: USN-3237-1 Critical Freetype Denial Of Service

ubuntu

March 20, 2017

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

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 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, resulting in a

denial of service, or possibly execute arbitrary code.

Topics Covered

security advisory denial of service critical issue Ubuntu freetype

Update Instructions

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

Ubuntu 16.10:
  libfreetype6                    2.6.3-3ubuntu1.1

Ubuntu 16.04 LTS:
  libfreetype6                    2.6.1-0.1ubuntu2.1

Ubuntu 14.04 LTS:
  libfreetype6                    2.5.2-1ubuntu2.6

Ubuntu 12.04 LTS:
  libfreetype6                    2.4.8-1ubuntu2.4

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