CVE-2023-46695

Name	CVE-2023-46695
Description	An issue was discovered in Django 3.2 before 3.2.23, 4.1 before 4.1.13, and 4.2 before 4.2.7. The NFKC normalization is slow on Windows. As a consequence, django.contrib.auth.forms.UsernameField is subject to a potential DoS (denial of service) attack via certain inputs with a very large number of Unicode characters.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
python-django (PTS)	bullseye (security), bullseye	2:2.2.28-1~deb11u2	fixed
	bookworm, bookworm (security)	3:3.2.19-1+deb12u1	fixed
	trixie	3:4.2.16-1	fixed
	sid	3:4.2.17-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
python-django	source	(unstable)	(not affected)

- python-django <not-affected> (Only an issue on windows)
https://www.djangoproject.com/weblog/2023/nov/01/security-releases/