CVE-2023-46695 Information

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.

Reference

https://docs.djangoproject.com/en/4.2/releases/security/ https://groups.google.com/forum/#!forum/django-announce https://www.djangoproject.com/weblog/2023/nov/01/security-releases/