Ubuntu Security Notice USN-2739-1
10th September, 2015
freetype vulnerabilities
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
Several security issues were fixed in FreeType.
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 or hang, resulting in
a denial of service, or possibly expose uninitialized memory.
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 15.04:
-
libfreetype6
2.5.2-2ubuntu3.1
- Ubuntu 14.04 LTS:
-
libfreetype6
2.5.2-1ubuntu2.5
- Ubuntu 12.04 LTS:
-
libfreetype6
2.4.8-1ubuntu2.3
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.