Pillow: Bundled libopenjp2 2.5.4 in all wheels since 11.1.0 carries OSV-2025-219 heap-buffer-overflow write reachable...

Date Oct 22, 2026
Type Vendor advisory
Signal High-risk advisory
Vendor / Product PyPI · pillow
High-risk advisory

Summary

Pillow: Bundled libopenjp2 2.5.4 in all wheels since 11.1.0 carries OSV-2025-219 heap-buffer-overflow write reachable from Image.open().load()

Why it matters

GitHub has published a reviewed security advisory for pillow. Prioritize it with other application dependency updates.

Operator check

Check whether pillow is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.