CVE-2023-46695

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.

• CWE-770

• https://docs.djangoproject.com/en/4.2/releases/security/Patch
• https://groups.google.com/forum/#%21forum/django-announcePermissions Required
• https://security.netapp.com/advisory/ntap-20231214-0001/
• https://www.djangoproject.com/weblog/2023/nov/01/security-releases/Patch, Vendor Advisory
• https://docs.djangoproject.com/en/4.2/releases/security/Patch
• https://groups.google.com/forum/#%21forum/django-announcePermissions Required
• https://security.netapp.com/advisory/ntap-20231214-0001/
• https://www.djangoproject.com/weblog/2023/nov/01/security-releases/Patch, Vendor Advisory

Published

Nov 2, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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