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==========================
Django 4.0.4 release notes
==========================
*April 11, 2022*
Django 4.0.4 fixes two security issues with severity "high" and two bugs in
4.0.3.
CVE-2022-28346: Potential SQL injection in ``QuerySet.annotate()``, ``aggregate()``, and ``extra()``
====================================================================================================
:meth:`.QuerySet.annotate`, :meth:`~.QuerySet.aggregate`, and
:meth:`~.QuerySet.extra` methods were subject to SQL injection in column
aliases, using a suitably crafted dictionary, with dictionary expansion, as the
``**kwargs`` passed to these methods.
CVE-2022-28347: Potential SQL injection via ``QuerySet.explain(**options)`` on PostgreSQL
=========================================================================================
:meth:`.QuerySet.explain` method was subject to SQL injection in option names,
using a suitably crafted dictionary, with dictionary expansion, as the
``**options`` argument.
Bugfixes
========
* Fixed a regression in Django 4.0 that caused ignoring multiple
``FilteredRelation()`` relationships to the same field (:ticket:`33598`).
* Fixed a regression in Django 3.2.4 that caused the auto-reloader to no longer
detect changes when the ``DIRS`` option of the ``TEMPLATES`` setting
contained an empty string (:ticket:`33628`).
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