[Trisquel-security] [USN-2047-1] pixman vulnerability

[Jamie Strandboge]

==========================================================================
Ubuntu Security Notice USN-2047-1
December 03, 2013

pixman vulnerability
==========================================================================

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

- Ubuntu 13.10
- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS

Summary:

pixman could be made to crash if it opened a specially crafted file.

Software Description:
- pixman: pixel-manipulation library for X and cairo

Details:

Bryan Quigley discovered an integer underflow in pixman. If a user were
tricked into opening a specially crafted file, an attacker could cause a
denial of service via application crash.

Update instructions:

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

Ubuntu 13.10:
  libpixman-1-0                   0.30.2-1ubuntu0.1

Ubuntu 13.04:
  libpixman-1-0                   0.28.2-0ubuntu1.1

Ubuntu 12.10:
  libpixman-1-0                   0.26.0-3ubuntu0.1

Ubuntu 12.04 LTS:
  libpixman-1-0                   0.24.4-1ubuntu0.1

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

References:
  http://www.ubuntu.com/usn/usn-2047-1
  https://launchpad.net/bugs/1197921

Package Information:
  https://launchpad.net/ubuntu/+source/pixman/0.30.2-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/pixman/0.28.2-0ubuntu1.1
  https://launchpad.net/ubuntu/+source/pixman/0.26.0-3ubuntu0.1
  https://launchpad.net/ubuntu/+source/pixman/0.24.4-1ubuntu0.1




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