GLSA 202407-04: Pixman: Heap Buffer Overflow

http://security.gentoo.org/

Severity:	normal
Title:	Pixman: Heap Buffer Overflow
Date:	07/01/2024
Bugs:	#879207
ID:	202407-04

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	Architecture(s)
x11-libs/pixman	< 0.42.2	>= 0.42.2	All supported architectures

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

CVE-2022-44638

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202407-04.xml

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.