django/docs/releases/4.2.3.txt

==========================
Django 4.2.3 release notes
==========================

*July 3, 2023*

Django 4.2.3 fixes a security issue with severity "moderate" and several bugs
in 4.2.2.

CVE-2023-36053: Potential regular expression denial of service vulnerability in ``EmailValidator``/``URLValidator``
===================================================================================================================

``EmailValidator`` and ``URLValidator`` were subject to potential regular
expression denial of service attack via a very large number of domain name
labels of emails and URLs.

Bugfixes
========

* Fixed a regression in Django 4.2 that caused incorrect alignment of timezone
  warnings for ``DateField`` and ``TimeField`` in the admin (:ticket:`34645`).

* Fixed a regression in Django 4.2 that caused incorrect highlighting of rows
  in the admin changelist view when ``ModelAdmin.list_editable`` contained a
  ``BooleanField`` (:ticket:`34638`).