CVE-2026-25990: Python Pillow

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

Pillow is a Python imaging library. From 10.3.0 to before 12.1.1, an out-of-bounds write may be triggered when loading a specially crafted PSD image. This vulnerability is fixed in 12.1.1.

Affected products

• Python Pillow: from 10.3.0, before 12.1.1 (fixed in 12.1.1)

Published 2026-02-11. Last modified 2026-09-10.