CVE-2023-46695

NameCVE-2023-46695
DescriptionAn 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.
SourceCVE (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 PackageReleaseVersionStatus
python-django (PTS)bullseye (security), bullseye2:2.2.28-1~deb11u2fixed
bookworm, bookworm (security)3:3.2.19-1+deb12u1fixed
trixie, sid3:4.2.14-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
python-djangosource(unstable)(not affected)

Notes

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

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