PyPI/pillow CVE-2026-59204: high 7.5, EPSS 0.39%

Pillow JPEG2000 tiled decode retains a growing scratch buffer and can be used for denial of service

Action: Upgrade pillow to 12.3.0 or later.

pip install pillow==12.3.0

Affected

Fixed versions

Sources

• osv: GHSA-vjc4-5qp5-m44j
• nvd: CVE-2026-59204
• https://github.com/python-pillow/Pillow/security/advisories/GHSA-vjc4-5qp5-m44j
• https://github.com/python-pillow/Pillow/pull/9704
• https://github.com/python-pillow/Pillow/commit/13ada41172142f2fd9f0906f615a00ea623a11ca
• https://github.com/python-pillow/Pillow
• https://github.com/python-pillow/Pillow/releases/tag/12.3.0

CVE-2026-59204 · published 2026-07-20T23:18:32Z · modified 2026-09-10T03:50:53.107920034Z · JSON