[USN-5718-2] pixman vulnerability
Camila Camargo de Matos
camila.camargodematos at canonical.com
Wed Nov 30 11:19:44 UTC 2022
==========================================================================
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
Summary:
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
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.
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.
References:
https://ubuntu.com/security/notices/USN-5718-2
https://ubuntu.com/security/notices/USN-5718-1
CVE-2022-44638
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