USN-3263-1: FreeType vulnerability

Ubuntu Security Notice USN-3263-1

20th April, 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 version:

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

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-2016-10328