django/docs/releases/5.0.7.txt

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Django 5.0.7 release notes
==========================

*July 9, 2024*

Django 5.0.7 fixes two security issues with severity "moderate", two security
issues with severity "low", and several bugs in 5.0.6.

CVE-2024-38875: Potential denial-of-service vulnerability in ``django.utils.html.urlize()``
===========================================================================================

:tfilter:`urlize` and :tfilter:`urlizetrunc` were subject to a potential
denial-of-service attack via certain inputs with a very large number of
brackets.

CVE-2024-39329: Username enumeration through timing difference for users with unusable passwords
================================================================================================

The :meth:`~django.contrib.auth.backends.ModelBackend.authenticate()` method
allowed remote attackers to enumerate users via a timing attack involving login
requests for users with unusable passwords.

Bugfixes
========

* Fixed a bug in Django 5.0 that caused a crash of ``Model.full_clean()`` on
  unsaved model instances with a ``GeneratedField`` and certain defined
  :attr:`Meta.constraints <django.db.models.Options.constraints>`
  (:ticket:`35560`).