{"action":"Upgrade pillow to 12.3.0 or later.","affected":[{"fixed":"12.3.0","introduced":"8.2.0"}],"component":"pillow","cve_ids":["CVE-2026-59204"],"ecosystem":"PyPI","epss":0.00385,"exploited":false,"fixed_versions":["12.3.0"],"ghsa_id":"GHSA-vjc4-5qp5-m44j","id":"tcs_01M5KG09TNPBE3DV02MYEPGXJX","modified_at":"2026-09-10T03:50:53.107920034Z","published_at":"2026-07-20T23:18:32Z","references":["https://osv.dev/vulnerability/GHSA-vjc4-5qp5-m44j","https://github.com/python-pillow/Pillow/security/advisories/GHSA-vjc4-5qp5-m44j","https://nvd.nist.gov/vuln/detail/CVE-2026-59204","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"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-vjc4-5qp5-m44j","url":"https://osv.dev/vulnerability/GHSA-vjc4-5qp5-m44j"},{"source":"nvd","source_id":"CVE-2026-59204","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59204"}],"summary":"Pillow JPEG2000 tiled decode retains a growing scratch buffer and can be used for denial of service"}