PyPI/pillow CVE-2026-59199: high 7.5, EPSS 0.39%

Pillow: Heap out-of-bounds write `Image.paste()` / `Image.crop()` via signed coordinate overflow

Action: Upgrade pillow to 12.3.0 or later.

pip install pillow==12.3.0

Affected

Fixed versions

Sources

• osv: GHSA-6r8x-57c9-28j4
• https://github.com/python-pillow/Pillow/security/advisories/GHSA-6r8x-57c9-28j4
• https://nvd.nist.gov/vuln/detail/CVE-2026-59199
• https://github.com/python-pillow/Pillow/pull/9703
• https://github.com/python-pillow/Pillow/commit/ceefc348eb3c3844c7f9796ef2cc3a7dd5fbba7b
• https://github.com/pypa/advisory-database/tree/main/vulns/pillow/PYSEC-2026-3451.yaml
• https://github.com/python-pillow/Pillow
• https://github.com/python-pillow/Pillow/releases/tag/12.3.0

CVE-2026-59199 · published 2026-07-20T23:09:53Z · modified 2026-09-10T03:51:10.822199342Z · JSON