CVE-2025-32873 – Django Slow Denial-of-Service Vulnerability in HTML Tag Processing

The following table lists the changes that have been made to the
CVE-2025-32873 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    May. 08, 2025

    Action Type Old Value New Value
    Added Description 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().
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
    Added CWE CWE-770
    Added Reference https://docs.djangoproject.com/en/dev/releases/security/
    Added Reference https://groups.google.com/g/django-announce
    Added Reference https://www.djangoproject.com/weblog/2025/may/07/security-releases/
  • CVE Modified
    by af854a3a-2127-422b-91ae-364da2661108

    May. 08, 2025

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2025/05/07/1
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