GHSA-wqfg-m96j-85vmMediumCVSS 5.8
Django Potential Denial of Service (DoS) on Windows
🔗 CVE IDs covered (1)
📋 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.
🎯 Affected products2
- pip/Django:>= 5.0, < 5.0.14
- pip/Django:>= 5.1, < 5.1.8
🔗 References (11)
- https://nvd.nist.gov/vuln/detail/CVE-2025-27556
- https://docs.djangoproject.com/en/dev/releases/security
- https://groups.google.com/g/django-announce
- https://www.djangoproject.com/weblog/2025/apr/02/security-releases
- https://github.com/django/django/commit/2cb311f7b069723027fb5def4044d1816d7d2afd
- https://github.com/django/django/commit/39e2297210d9d2938c75fc911d45f0e863dc4821
- https://github.com/django/django/commit/8c6871b097b6c49d2a782c0d80d908bcbe2116f1
- https://github.com/django/django/commit/edc2716d01a6fdd84b173c02031695231bcee1f8
- http://www.openwall.com/lists/oss-security/2025/04/02/2
- https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2025-14.yaml
- https://github.com/advisories/GHSA-wqfg-m96j-85vm