In Django 2.2 before 2.2.21, 3.1 before 3.1.9, and 3.2 before 3.2.1, MultiPartParser, UploadedFile, and FieldFile allowed directory traversal via uploaded files with suitably crafted file names.
www.openwall.com/lists/oss-security/2021/05/04/3
docs.djangoproject.com/en/3.2/releases/security/
github.com/advisories/GHSA-rxjp-mfm9-w4wr
groups.google.com/forum/#!forum/django-announce
lists.debian.org/debian-lts-announce/2021/05/msg00005.html
lists.fedoraproject.org/archives/list/[email protected]/message/ZVKYPHR3TKR2ESWXBPOJEKRO2OSJRZUE/
www.djangoproject.com/weblog/2021/may/04/security-releases/