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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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