Django security releases issued: 4.1.7, 4.0.10, and 3.2.18

Posted by Carlton Gibson on February 14, 2023

In accordance with our security release policy, the Django team is issuing Django 4.1.7, Django 4.0.10, and 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 files or memory exhaustion, and provided a potential vector for a denial-of-service attack.

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

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

Resolution

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

The following releases have been issued:

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 security@djangoproject.com, and not via Django's Trac instance or the django-developers list. Please see our security policies for further information.

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