PyPi: Django

CVE-2023-36053

Safety vulnerability ID: 59293

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at Jul 03, 2023 Updated at Nov 05, 2024
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Advisory

Affected versions of Django are vulnerable to a potential ReDoS (regular expression denial of service) in EmailValidator and URLValidator via a very large number of domain name labels of emails and URLs.

Affected package

django

Latest version: 5.1.3

A high-level Python web framework that encourages rapid development and clean, pragmatic design.

Affected versions

Fixed versions

Vulnerability changelog

==========================

*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`).


==========================

Resources

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Severity Details

CVSS Base Score

HIGH 7.5

CVSS v3 Details

HIGH 7.5
Attack Vector (AV)
NETWORK
Attack Complexity (AC)
LOW
Privileges Required (PR)
NONE
User Interaction (UI)
NONE
Scope (S)
UNCHANGED
Confidentiality Impact (C)
NONE
Integrity Impact (I)
NONE
Availability Availability (A)
HIGH