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From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <4268d388-6f37-2869-334f-a3829050bf39@canonical.com>
Subject: [USN-3063-1] Fontconfig vulnerability

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==========================================================================
Ubuntu Security Notice USN-3063-1
August 17, 2016

fontconfig vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Fontconfig be made to crash or run programs if it opened a specially
crafted file.

Software Description:
- fontconfig: generic font configuration library

Details:

Tobias Stoeckmann discovered that Fontconfig incorrectly handled cache
files. A local attacker could possibly use this issue with a specially
crafted cache file to elevate privileges.

Update instructions:

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

Ubuntu 16.04 LTS:
  fontconfig                      2.11.94-0ubuntu1.1
  libfontconfig1                  2.11.94-0ubuntu1.1

Ubuntu 14.04 LTS:
  fontconfig                      2.11.0-0ubuntu4.2
  libfontconfig1                  2.11.0-0ubuntu4.2

Ubuntu 12.04 LTS:
  fontconfig                      2.8.0-3ubuntu9.2
  libfontconfig1                  2.8.0-3ubuntu9.2

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

References:
  http://www.ubuntu.com/usn/usn-3063-1
  CVE-2016-5384

Package Information:
  https://launchpad.net/ubuntu/+source/fontconfig/2.11.94-0ubuntu1.1
  https://launchpad.net/ubuntu/+source/fontconfig/2.11.0-0ubuntu4.2
  https://launchpad.net/ubuntu/+source/fontconfig/2.8.0-3ubuntu9.2



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