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Ubuntu Security Notice USN-5718-2 ≈ Packet Storm

Table of Contents

Ubuntu Security Notice USN-5718-2
November 30, 2022

pixman vulnerability

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

– Ubuntu 16.04 ESM
– Ubuntu 14.04 ESM


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

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


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

Update instructions:

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

Ubuntu 16.04 ESM:
libpixman-1-0 0.33.6-1ubuntu0.1~esm1
libpixman-1-dev 0.33.6-1ubuntu0.1~esm1

Ubuntu 14.04 ESM:
libpixman-1-0 0.30.2-2ubuntu1.2+esm1
libpixman-1-dev 0.30.2-2ubuntu1.2+esm1

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


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