From: glsamaker@gentoo.org
To: gentoo-announce@lists.gentoo.org
Subject: [gentoo-announce] [ GLSA 202407-04 ] Pixman: Heap Buffer Overflow
Date: Mon, 01 Jul 2024 05:56:57 -0000 [thread overview]
Message-ID: <171981341742.7.7716644714720867711@3f85d36892cf> (raw)
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Gentoo Linux Security Advisory GLSA 202407-04
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https://security.gentoo.org/
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Severity: Normal
Title: Pixman: Heap Buffer Overflow
Date: July 01, 2024
Bugs: #879207
ID: 202407-04
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Synopsis
========
A vulnerability has been discovered in Pixman, which can lead to a heap
buffer overflow.
Background
==========
Pixman is a pixel manipulation library.
Affected packages
=================
Package Vulnerable Unaffected
--------------- ------------ ------------
x11-libs/pixman < 0.42.2 >= 0.42.2
Description
===========
A vulnerability has been discovered in Pixman. Please review the CVE
identifiers referenced below for details.
Impact
======
An out-of-bounds write (aka heap-based buffer overflow) in
rasterize_edges_8 can occur due to an integer overflow in
pixman_sample_floor_y.
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All Pixman users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=x11-libs/pixman-0.42.2"
References
==========
[ 1 ] CVE-2022-44638
https://nvd.nist.gov/vuln/detail/CVE-2022-44638
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/202407-04
Concerns?
=========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.
License
=======
Copyright 2024 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).
The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.
https://creativecommons.org/licenses/by-sa/2.5
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