Out-of-bounds Write Affecting mingw32-pixman package, versions <0:0.42.2-3.el9


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.91% (80th percentile)

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  • Snyk IDSNYK-RHEL9-MINGW32PIXMAN-12352390
  • published1 Sept 2025
  • disclosed3 Nov 2022

Introduced: 3 Nov 2022

CVE-2022-44638  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade RHEL:9 mingw32-pixman to version 0:0.42.2-3.el9 or higher.
This issue was patched in RHSA-2024:2525.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mingw32-pixman package and not the mingw32-pixman package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

In libpixman in Pixman before 0.42.2, there is an out-of-bounds write (aka heap-based buffer overflow) in rasterize_edges_8 due to an integer overflow in pixman_sample_floor_y.

CVSS Base Scores

version 3.1