CVE-2021-28676

Description

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.

References

https://security.gentoo.org/glsa/202107-33

https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-28676-fix-fli-dos

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/

https://lists.debian.org/debian-lts-announce/2021/07/msg00018.html

https://github.com/python-pillow/Pillow/pull/5377

https://github.com/python-pillow/Pillow/commit/bb6c11fb889e6c11b0ee122b828132ee763b5856

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3