USN-5718-2: pixman vulnerability

Publication date

30 November 2022

Overview

pixman could be made to crash or run programs if it processed specially crafted input.


Packages

  • pixman - pixel-manipulation library for X and cairo

Details

USN-5718-1 fixed a vulnerability in pixman. This update provides the
corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

Maddie Stone discovered that pixman incorrectly handled certain memory
operations. A remote attacker could use this issue to cause pixman to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

USN-5718-1 fixed a vulnerability in pixman. This update provides the
corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

Maddie Stone discovered that pixman incorrectly handled certain memory
operations. A remote attacker could use this issue to cause pixman to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
16.04 xenial libpixman-1-0 –  0.33.6-1ubuntu0.1~esm1  
libpixman-1-dev –  0.33.6-1ubuntu0.1~esm1  
14.04 trusty libpixman-1-0 –  0.30.2-2ubuntu1.2+esm1  
libpixman-1-dev –  0.30.2-2ubuntu1.2+esm1  

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