{"schema_version":"1.9.0","id":"BIT-pillow-2026-42311","published":"2026-05-12T08:54:05.960Z","modified":"2026-09-08T08:48:18.491841600Z","aliases":["CVE-2026-42311","GHSA-pwv6-vv43-88gr","PYSEC-2026-2252"],"summary":"Pillow: OOB Write with Invalid PSD Tile Extents (Integer Overflow)","details":"Pillow is a Python imaging library. From version 10.3.0 to before version 12.2.0, processing a malicious PSD file could lead to memory corruption, potentially resulting in a crash or arbitrary code execution. This issue has been patched in version 12.2.0.","affected":[{"package":{"name":"pillow","ecosystem":"Bitnami","purl":"pkg:bitnami/pillow"},"ranges":[{"type":"SEMVER","events":[{"introduced":"10.3.0"},{"fixed":"12.2.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/pillow/BIT-pillow-2026-42311.json"},"severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}],"references":[{"type":"FIX","url":"https://github.com/python-pillow/Pillow/commit/58f9a1d166dcb0c274807d4423522d205b0c35ea"},{"type":"FIX","url":"https://github.com/python-pillow/Pillow/pull/9520"},{"type":"ARTICLE","url":"https://github.com/python-pillow/Pillow/releases/tag/12.2.0"},{"type":"ADVISORY","url":"https://github.com/python-pillow/Pillow/security/advisories/GHSA-pwv6-vv43-88gr"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-42311"}],"database_specific":{"cpes":["cpe:2.3:a:python:pillow:*:*:*:*:*:python:*:*"],"severity":"High"}}