Django security releases issued: 5.0.3, 4.2.11, and 3.2.25

Posted by Mariusz Felisiak on March 4, 2024

In accordance with our security release policy, the Django team is issuing Django 5.0.3, Django 4.2.11, and Django 3.2.25. These releases addresses the security issue detailed below. We encourage all users of Django to upgrade as soon as possible.

CVE-2024-27351: Potential regular expression denial-of-service in django.utils.text.Truncator.words()

django.utils.text.Truncator.words() method (with html=True) and truncatewords_html template filter were subject to a potential regular expression denial-of-service attack using a suitably crafted string (follow up to CVE-2019-14232 and CVE-2023-43665).

Thanks Seokchan Yoon for the report.

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

Affected supported versions

  • Django 5.0
  • Django 4.2
  • Django 3.2


Patches to resolve the issue have been applied to the 5.0, 4.2, 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 Mariusz Felisiak: 2EF56372BA48CD1B.

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 information.

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