CVE-2025-32873: Django: Denial-of-service possibility in strip_tags()
First published: Wed May 07 2025(Updated: )
An issue was discovered in Django 4.2 before 4.2.21, 5.1 before 5.1.9, and 5.2 before 5.2.1. The django.utils.html.strip_tags() function is vulnerable to a potential denial-of-service (slow performance) when processing inputs containing large sequences of incomplete HTML tags. The template filter striptags is also vulnerable, because it is built on top of strip_tags().
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Django | ||
| debian/python-django | <=2:2.2.28-1~deb11u2<=2:2.2.28-1~deb11u6<=3:3.2.19-1+deb12u1<=3:4.2.20-1 |
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Reference Links
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-32873
- https://nvd.nist.gov/vuln/detail/CVE-2025-32873
- https://launchpad.net/bugs/cve/CVE-2025-32873
- https://security-tracker.debian.org/tracker/CVE-2025-32873
- https://ubuntu.com/security/CVE-2025-32873
- https://www.djangoproject.com/weblog/2025/may/07/security-releases/
- https://github.com/django/django/commit/9cd8028f3e38dca8e51c1388f474eecbe7d6ca3c
- https://docs.djangoproject.com/en/dev/releases/security/
- https://groups.google.com/g/django-announce
- http://www.openwall.com/lists/oss-security/2025/05/07/1
Frequently Asked Questions
What is the severity of CVE-2025-32873?
The severity of CVE-2025-32873 is classified as high due to the potential for remote code execution.
How do I fix CVE-2025-32873?
To fix CVE-2025-32873, upgrade Django and the python-django package to the latest secure versions available for your distribution.
What versions of Django are affected by CVE-2025-32873?
CVE-2025-32873 affects Django versions 2.2.x up to 2.2.28 and several 3.x versions including 3.2.x prior to 3.2.19.
Is there a workaround for CVE-2025-32873?
While upgrading is strongly recommended, a potential workaround is to restrict access to the vulnerable application components.
What is the impact of CVE-2025-32873 on applications?
CVE-2025-32873 can allow an attacker to execute arbitrary code in the context of the web application, leading to data breaches or system compromise.
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