GitHub Advisoryadvisory · PyPI

GHSA-wqfg-m96j-85vm Django Potential Denial of Service (DoS) on Windows

MEDIUM Published 2025-04-02 Modified 2025-04-09 Official page ↗
Aliases
CVE-2025-27556
Ecosystem
PyPI
Packages
Django
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Weaknesses
CWE-770
Reviewed
2025-04-02

Affected packages

• PyPI Django: >= 5.0, < 5.0.14 → fixed in 5.0.14 • PyPI Django: >= 5.1, < 5.1.8 → fixed in 5.1.8

Description

An issue was discovered in Django 5.1 before 5.1.8 and 5.0 before 5.0.14. The NFKC normalization is slow on Windows. As a consequence, django.contrib.auth.views.LoginView, django.contrib.auth.views.LogoutView, and django.views.i18n.set_language are subject to a potential denial-of-service attack via certain inputs with a very large number of Unicode characters.

Related

Alias · CVE (1)

  • CVE-2025-27556 An issue was discovered in Django 5.1 before 5.1.8 and 5.0 before 5.0.14. vulnerability

Weakness · CWE (1)

  • CWE-770 Allocation of Resources Without Limits or Throttling weakness

References