CVE-2022-44638: Debian Linux

High severity, CVSS 8.8. EPSS: 1.5% chance of exploitation in the next 30 days.

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.

Affected products

• Debian Debian Linux: version 10.0 only; version 11.0 only
• Fedoraproject Fedora: version 35 only; version 36 only; version 37 only
• Pixman Pixman: before 0.42.2 (fixed in 0.42.2)

Published 2022-11-03. Last modified 2026-06-17.