Pixman: Heap Buffer Overflow — GLSA 202407-04

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

Affected packages

x11-libs/pixman on all architectures
Affected versions < 0.42.2
Unaffected versions >= 0.42.2

Background

Pixman is a pixel manipulation library.

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

Release date
July 01, 2024

Latest revision
July 01, 2024: 1

Severity
normal

Exploitable
local and remote

Bugzilla entries