{"schema_version":"1.9.0","id":"BIT-pillow-2021-28676","published":"2024-03-06T11:03:35.091Z","modified":"2026-09-08T08:48:18.475250305Z","aliases":["CVE-2021-28676","GHSA-7r7m-5h27-29hp","PYSEC-2021-92"],"details":"An issue was discovered in Pillow before 8.2.0. For FLI data, FliDecode did not properly check that the block advance was non-zero, potentially leading to an infinite loop on load.","affected":[{"package":{"name":"pillow","ecosystem":"Bitnami","purl":"pkg:bitnami/pillow"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.2.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/pillow/BIT-pillow-2021-28676.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/bb6c11fb889e6c11b0ee122b828132ee763b5856"},{"type":"ADVISORY","url":"https://github.com/python-pillow/Pillow/pull/5377"},{"type":"ADVISORY","url":"https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html"},{"type":"DISCUSSION","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/"},{"type":"ADVISORY","url":"https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-28676-fix-fli-dos"},{"type":"ADVISORY","url":"https://security.gentoo.org/glsa/202107-33"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-28676"}],"database_specific":{"cpes":["cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*"],"severity":"High"}}