USN-3843-2: pixman vulnerability

Publication date

11 December 2018

Overview

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

Releases


Packages

  • pixman - pixel-manipulation library for X and cairo

Details

USN-3843-1 fixed a vulnerability in pixman. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that pixman incorrectly handled the general_composite_rect
function. A remote attacker could use this issue to cause pixman to crash,
resulting in a denial of service, or possibly execute arbitrary code.

USN-3843-1 fixed a vulnerability in pixman. This update provides
the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

It was discovered that pixman incorrectly handled the general_composite_rect
function. 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
12.04 precise libpixman-1-0 –  0.30.2-1ubuntu0.0.0.0.4

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