{"title":"Django 4.2.3 release notes","version":"dev","locale":"en","docname":"releases/4.2.3","url":"/en/dev/releases/4.2.3/","canonical":"https://djangodocs.dev/en/dev/releases/4.2.3/","summary":"Django 4.2.3 fixes a security issue with severity “moderate” and several bugs in 4.2.2.","html":"<h1>Django 4.2.3 release notes<a class=\"heading-anchor\" href=\"#django-4-2-3-release-notes\"><span class=\"visually-hidden\">Link to this heading</span><span aria-hidden=\"true\">#</span></a></h1>\n<p><em>July 3, 2023</em></p>\n<p>Django 4.2.3 fixes a security issue with severity “moderate” and several bugs\nin 4.2.2.</p>\n<section id=\"cve-2023-36053-potential-regular-expression-denial-of-service-vulnerability-in-emailvalidator-urlvalidator\">\n<h2>CVE-2023-36053: Potential regular expression denial of service vulnerability in <code class=\"docutils literal notranslate\">EmailValidator</code>/<code class=\"docutils literal notranslate\">URLValidator</code><a class=\"heading-anchor\" href=\"#cve-2023-36053-potential-regular-expression-denial-of-service-vulnerability-in-emailvalidator-urlvalidator\"><span class=\"visually-hidden\">Link to this heading</span><span aria-hidden=\"true\">#</span></a></h2>\n<p><code class=\"docutils literal notranslate\">EmailValidator</code> and <code class=\"docutils literal notranslate\">URLValidator</code> were subject to potential regular\nexpression denial of service attack via a very large number of domain name\nlabels of emails and URLs.</p>\n</section>\n<section id=\"bugfixes\">\n<h2>Bugfixes<a class=\"heading-anchor\" href=\"#bugfixes\"><span class=\"visually-hidden\">Link to this heading</span><span aria-hidden=\"true\">#</span></a></h2>\n<ul class=\"simple\">\n<li><p>Fixed a regression in Django 4.2 that caused incorrect alignment of timezone\nwarnings for <code class=\"docutils literal notranslate\">DateField</code> and <code class=\"docutils literal notranslate\">TimeField</code> in the admin (<a class=\"extlink-ticket reference external\" href=\"https://code.djangoproject.com/ticket/34645\">#34645</a>).</p></li>\n<li><p>Fixed a regression in Django 4.2 that caused incorrect highlighting of rows\nin the admin changelist view when <code class=\"docutils literal notranslate\">ModelAdmin.list_editable</code> contained a\n<code class=\"docutils literal notranslate\">BooleanField</code> (<a class=\"extlink-ticket reference external\" href=\"https://code.djangoproject.com/ticket/34638\">#34638</a>).</p></li>\n</ul>\n</section>","rootId":"django-4-2-3-release-notes","toc":[{"title":"CVE-2023-36053: Potential regular expression denial of service vulnerability in EmailValidator/URLValidator","anchor":"cve-2023-36053-potential-regular-expression-denial-of-service-vulnerability-in-emailvalidator-urlvalidator","children":[]},{"title":"Bugfixes","anchor":"bugfixes","children":[]}],"breadcrumbs":[{"docname":"releases/index","title":"Release notes","url":"/en/dev/releases/"}],"prev":{"docname":"releases/4.2.4","title":"Django 4.2.4 release notes","url":"/en/dev/releases/4.2.4/"},"next":{"docname":"releases/4.2.2","title":"Django 4.2.2 release notes","url":"/en/dev/releases/4.2.2/"},"formats":{"html":"/en/dev/releases/4.2.3/","markdown":"/en/dev/releases/4.2.3.md","json":"/en/dev/releases/4.2.3.json"},"source":"https://github.com/django/django/blob/main/docs/releases/4.2.3.txt","official":"https://docs.djangoproject.com/en/dev/releases/4.2.3/","inVersions":["dev","6.1","6.0","5.2","5.1","5.0","4.2"],"inLocales":["en"]}