{"schema_version":"1.9.0","id":"BIT-pillow-2026-59199","published":"2026-07-15T08:54:58.754Z","modified":"2026-09-08T08:48:18.560723210Z","aliases":["CVE-2026-59199","GHSA-6r8x-57c9-28j4","PYSEC-2026-3451"],"summary":"Pillow: Heap out-of-bounds write `Image.paste()` / `Image.crop()` via signed coordinate overflow","details":"Pillow is a Python imaging library. Prior to 12.3.0, Pillow public image coordinate APIs can trigger a native heap out-of-bounds write when given coordinates near the signed 32-bit integer limits in Image.paste(), Image.crop(), or Image.alpha_composite(). This issue is fixed in version 12.3.0.","affected":[{"package":{"name":"pillow","ecosystem":"Bitnami","purl":"pkg:bitnami/pillow"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"12.3.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/pillow/BIT-pillow-2026-59199.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"references":[{"type":"FIX","url":"https://github.com/python-pillow/Pillow/commit/ceefc348eb3c3844c7f9796ef2cc3a7dd5fbba7b"},{"type":"FIX","url":"https://github.com/python-pillow/Pillow/pull/9703"},{"type":"ARTICLE","url":"https://github.com/python-pillow/Pillow/releases/tag/12.3.0"},{"type":"ADVISORY","url":"https://github.com/python-pillow/Pillow/security/advisories/GHSA-6r8x-57c9-28j4"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59199"}],"database_specific":{"cpes":["cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*"],"severity":"High"}}