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===========================
Django 3.2.23 release notes
===========================
*November 1, 2023*
Django 3.2.23 fixes a security issue with severity "moderate" in 3.2.22.
CVE-2023-46695: Potential denial of service vulnerability in ``UsernameField`` on Windows
=========================================================================================
The :func:`NFKC normalization <python:unicodedata.normalize>` is slow on
Windows. As a consequence, ``django.contrib.auth.forms.UsernameField`` was
subject to a potential denial of service attack via certain inputs with a very
large number of Unicode characters.
In order to avoid the vulnerability, invalid values longer than
``UsernameField.max_length`` are no longer normalized, since they cannot pass
validation anyway.
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