Pillow before 7.1.0 has multiple out-of-bounds reads in libImaging/FliDecode.c.
github.com/python-pillow/Pillow/commits/master/src/libImaging
github.com/python-pillow/Pillow/pull/4503
github.com/python-pillow/Pillow/pull/4538
lists.debian.org/debian-lts-announce/2020/08/msg00012.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BEBCPE4F2VHTIT6EZA2YZQZLPVDEBJGD/
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HOKHNWV2VS5GESY7IBD237E7C6T3I427/
pillow.readthedocs.io/en/stable/releasenotes/7.1.0.html
usn.ubuntu.com/4430-1/
usn.ubuntu.com/4430-2/