Gentoo: GLSA-202407-04: Pixman: Heap Buffer OverflowSecurity Advisory Updates
Summary
A vulnerability has been discovered in Pixman. Please review the CVE
identifiers referenced below for details.
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.
![Dist Gentoo](/images/distros/dist-gentoo.png)
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
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.