django-planet
Aug. 6, 2024

Django security releases issued: 5.0.8 and 4.2.15

published by Sarah Boyce
in blog The Django weblog
original entry Django security releases issued: 5.0.8 and 4.2.15

In accordance with our security release policy, the Django team is issuing releases for Django 5.0.8 and Django 4.2.15. These releases address the security issues detailed below. We encourage all users of Django to upgrade as soon as possible.

CVE-2024-41989: Memory exhaustion in django.utils.numberformat.floatformat()

The floatformat template filter is subject to significant memory consumption when given a string representation of a number in scientific notation with a large exponent.

Thanks to Elias Myllymäki for the report.

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

CVE-2024-41990: Potential denial-of-service in django.utils.html.urlize()

The urlize() and urlizetrunc() template filters are subject to a potential denial-of-service attack via very large inputs with a specific sequence of characters.

Thanks to MProgrammer for the report.

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

CVE-2024-41991: Potential denial-of-service vulnerability in django.utils.html.urlize() and AdminURLFieldWidget

The urlize and urlizetrunc template filters, and the AdminURLFieldWidget widget, are subject to a potential denial-of-service attack via certain inputs with a very large number of Unicode characters.

Thanks to Seokchan Yoon for the report.

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

CVE-2024-42005: Potential SQL injection in QuerySet.values() and values_list()

QuerySet.values() and values_list() methods on models with a JSONField are subject to SQL injection in column aliases via a crafted JSON object key as a passed *arg.

Thanks to Eyal Gabay of EyalSec for the report.

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

Affected supported versions

  • Django main branch
  • Django 5.1 (currently at release candidate status)
  • Django 5.0
  • Django 4.2

Resolution

Patches to resolve the issue have been applied to Django's main, 5.1, 5.0, and 4.2 branches. The patches may be obtained from the following changesets.

CVE-2024-41989: Memory exhaustion in django.utils.numberformat.floatformat()

CVE-2024-41990: Potential denial-of-service in django.utils.html.urlize()

CVE-2024-41991: Potential denial-of-service vulnerability in django.utils.html.urlize() and AdminURLFieldWidget

CVE-2024-42005: Potential SQL injection in QuerySet.values() and values_list()

The following releases have been issued

The PGP key ID used for this release is Sarah Boyce: 3955B19851EA96EF

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, nor via the Django Forum, nor via the django-developers list. Please see our security policies for further information.