Pillow
CriticalPyPICVE-2026-96639
What to do
Update Pillow to 13.0.0 or later.
pip install "Pillow>=13.0.0"
A denial of service flaw affects the PyPI package Pillow. Affected versions: >= 11.0.0, < 13.0.0. Fixed from version 13.0.0. CVSS score 9.8.
What the flaw allows: The service can be knocked over cheaply.
- Package
- Pillow
- Ecosystem
- PyPI (Python)
- Class
- Denial of service
- Affected versions
- >= 11.0.0, < 13.0.0
- CVSS
- 9.8
- Published on
- October 22, 2026
Sources
Entry built automatically from the cited security advisory, with no model rewriting. Acknowledged by the organisation or vendor, notified to an authority, or established by two independent sources.