PyPI/pillow CVE-2026-96639: critical 9.8

Pillow multi-frame loaders can reuse stale native image storage after mode transitions

Action: Upgrade pillow to 13.0.0 or later.

pip install pillow==13.0.0

Affected

Fixed versions

Sources

• osv: GHSA-v9pv-5gc8-w2m6
• https://github.com/python-pillow/Pillow/security/advisories/GHSA-v9pv-5gc8-w2m6
• https://nvd.nist.gov/vuln/detail/CVE-2026-96639
• https://github.com/python-pillow/Pillow/pull/10105
• https://github.com/python-pillow/Pillow/commit/78d97d994579aef81aafe123773d525f40f2522a
• https://github.com/python-pillow/Pillow
• https://github.com/python-pillow/Pillow/releases/tag/13.0.0

CVE-2026-96639 · published 2026-10-22T16:00:15Z · modified 2026-10-22T16:15:49.301776886Z · JSON