HIGH 7.5 PyPI
Django potential denial of service vulnerability in UsernameField on Windows
GHSA-qmf9-6jqf-j8fq · BIT-django-2023-46695 · CVE-2023-46695 · PYSEC-2023-222
Published · Modified
Description
An issue was discovered in Django 3.2 before 3.2.23, 4.1 before 4.1.13, and 4.2 before 4.2.7. The NFKC normalization is slow on Windows. As a consequence, django.contrib.auth.forms.UsernameField is subject to a potential DoS (denial of service) attack via certain inputs with a very large number of Unicode characters.
References
- ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-46695
- WEB https://github.com/django/django/commit/048a9ebb6ea468426cb4e57c71572cbbd975517f
- WEB https://github.com/django/django/commit/4965bfdde2e5a5c883685019e57d123a3368a75e
- WEB https://github.com/django/django/commit/f9a7fb8466a7ba4857eaf930099b5258f3eafb2b
- WEB https://docs.djangoproject.com/en/4.2/releases/security
- PACKAGE https://github.com/django/django
- WEB https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2023-222.yaml
- WEB https://groups.google.com/forum/#!forum/django-announce
- WEB https://groups.google.com/forum/#%21forum/django-announce
- WEB https://security.netapp.com/advisory/ntap-20231214-0001
- WEB https://www.djangoproject.com/weblog/2023/nov/01/security-releases
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