USN-1267-1: FreeType vulnerabilities

Releases

• Ubuntu 11.10
• Ubuntu 11.04
• Ubuntu 10.10
• Ubuntu 10.04
• Ubuntu 8.04

Packages

• freetype - FreeType 2 is a font engine library

Details

It was discovered that FreeType did not correctly handle certain malformed
Type 1 font files. If a user were tricked into using a specially crafted
font file, a remote attacker could cause FreeType to crash or possibly
execute arbitrary code with user privileges. (CVE-2011-3256)

It was discovered that FreeType did not correctly handle certain malformed
CID-keyed PostScript font files. If a user were tricked into using a specially
crafted font file, a remote attacker could cause FreeType to crash or possibly
execute arbitrary code with user privileges. (CVE-2011-3439)

Update instructions

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

Ubuntu 8.04

• libfreetype6 - 2.3.5-1ubuntu4.8.04.7

Ubuntu 11.10

• libfreetype6 - 2.4.4-2ubuntu1.1

Ubuntu 11.04

• libfreetype6 - 2.4.4-1ubuntu2.2

Ubuntu 10.10

• libfreetype6 - 2.4.2-2ubuntu0.3

Ubuntu 10.04

• libfreetype6 - 2.3.11-1ubuntu2.5

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

References

• CVE-2011-3256
• CVE-2011-3439