Ubuntu Security Notice USN-3263-1
20th April, 2017
A security issue affects these releases of Ubuntu and its
- Ubuntu 17.04
- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
FreeType could be made to crash or run programs if it opened a specially
crafted font file.
– FreeType 2 is a font engine library
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.
The problem can be corrected by updating your system to the following
- Ubuntu 17.04:
- Ubuntu 16.10:
- Ubuntu 16.04 LTS:
- Ubuntu 14.04 LTS:
- Ubuntu 12.04 LTS:
To update your system, please follow these instructions:
After a standard system update you need to restart your session to make
all the necessary changes.