{"id":"CVE-2021-25291","aliases":["BIT-pillow-2021-25291","GHSA-mvg9-xffr-p774","PYSEC-2021-37"],"url":"https://o3.security/vulnerability/CVE-2021-25291","summary":"Out of bounds read in Pillow","details":"An issue was discovered in Pillow before 8.1.1. In TiffDecode.c, there is an out-of-bounds read in TiffreadRGBATile via invalid tile boundaries.","published":"2021-03-19T04:15:13.530Z","modified":"2026-08-07T16:50:48.952182Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"PyPI","name":"pillow","fixedVersion":"8.2.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202107-33"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T16:50:48.952182Z"}}