Ubuntu 17.04 USN-3263-1 Critical: FreeType Buffer Overflow Threat

ubuntu

April 21, 2017

FreeType could be made to crash or run programs if it opened a speciallycrafted 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 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.

Topics Covered

security advisory denial of service buffer overflow ubuntu freetype

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.