Provide references for CVE-2021-28678.
Where can I find more information about CVE-2021-28678?
References are available at: https://pillow.readthedocs.io/en/stable/releasenotes/8.2.0.html#cve-2021-28678-fix-blp-dos, https://github.com/python-pillow/Pillow/pull/5377, https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MQHA5HAIBOYI3R6HDWCLAGFTIQP767FL/, https://security.gentoo.org/glsa/202107-33.