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Date: Tue, 14 Feb 2023 09:40:43 +0100
From: Carlton Gibson <>
Subject: Django - CVE-2023-24580: Potential denial-of-service vulnerability in
 file uploads

Django security releases issued: 4.1.7, 4.0.10, and 3.2.18

Details are available on the Django project weblog:

In accordance with `our security release policy
<>`_, the Django
is issuing
`Django 4.1.7 <>`_,
`Django 4.0.10 <>`_,
`Django 3.2.18 <>`_.
These releases addresses the security issue detailed below. We encourage all
users of Django to upgrade as soon as possible.

CVE-2023-24580: Potential denial-of-service vulnerability in file uploads

Passing certain inputs to multipart forms could result in too many open
or memory exhaustion, and provided a potential vector for a

The number of files parts parsed is now limited via the new

Thanks to Jakob Ackermann for the report.

This issue has severity "moderate" according to the Django security policy.

Affected supported versions

* Django main branch
* Django 4.2 (currently at pre-release alpha status)
* Django 4.1
* Django 4.0
* Django 3.2


Patches to resolve the issue have been applied to Django's main branch and
4.2, 4.1, 4.0, and 3.2 release branches. The patches may be obtained from
following changesets:

* On the `main branch <
* On the `4.2 release branch <
* On the `4.1 release branch <
* On the `4.0 release branch <
* On the `3.2 release branch <

The following releases have been issued:

* Django 4.1.7 (`download Django 4.1.7 <>`_ |
`4.1.7 checksums <>`_)
* Django 4.0.10 (`download Django 4.0.10 <>`_ |
`4.0.10 checksums <>`_)
* Django 3.2.18 (`download Django 3.2.18 <>`_ |
`3.2.18 checksums <>`_)

The PGP key ID used for this release is Carlton Gibson: `E17DF5C82B4F9D00 <>`_

General notes regarding security reporting

As always, we ask that potential security issues be reported via
private email to ````, and not via Django's
Trac instance or the django-developers list. Please see `our security
policies <>`_ for further

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