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Ubuntu Security Notice USN-2739-1
September 10, 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 versions:

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

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

References:
http://www.ubuntu.com/usn/usn-2739-1
https://launchpad.net/bugs/1449225, https://launchpad.net/bugs/1492124

Package Information:
https://launchpad.net/ubuntu/+source/freetype/2.5.2-2ubuntu3.1
https://launchpad.net/ubuntu/+source/freetype/2.5.2-1ubuntu2.5
https://launchpad.net/ubuntu/+source/freetype/2.4.8-1ubuntu2.3

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