Denial-of-Service Flaw in Django by Django Software Foundation

CVE-2025-32873

What is CVE-2025-32873?

A vulnerability exists in Django's html utility functions, specifically django.utils.html.strip_tags(), affecting versions prior to 4.2.21, 5.1.9, and 5.2.1. This flaw can lead to significant performance degradation when processing large sequences of incomplete HTML tags, potentially causing denial-of-service conditions. Additionally, the template filter striptags, which relies on strip_tags(), is also affected, exposing a wider range of applications using these functions to slow response times under certain inputs.

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