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Gentoo: GLSA 202407-04 Normal: Pixman Heap Overflow Threat

gentoo
Calendar Grey July 1, 2024
Dist Gentoo Esm H88
A heap buffer overflow vulnerability has been detected in Pixman, as noted in Gentoo GLSA 202407-04. Please adhere to the provided upgrade guidelines to address this issue.
A vulnerability has been discovered in Pixman, which can lead to a heap buffer overflow.

Summary

A vulnerability has been discovered in Pixman. Please review the CVE identifiers referenced below for details.

Topics%20covered

Topics Covered

security advisory gentoo buffer overflow software update heap overflow software issue pixman

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
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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.

Severity: Normal
Title: Pixman: Heap Buffer Overflow
Date: July 01, 2024
Bugs: #879207
ID: 202407-04

Topics%20covered

Topics Covered

security advisory gentoo buffer overflow software update heap overflow software issue pixman

Synopsis

A vulnerability has been discovered in Pixman, which can lead to a heap buffer overflow.

Background

Pixman is a pixel manipulation library.

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Affected Packages

Package Vulnerable Unaffected --------------- ------------ ------------ x11-libs/pixman < 0.42.2 >= 0.42.2

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.

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