CVE-2023-41164

Advisory

Affected versions of Django are vulnerable to potential Denial of Service via certain inputs with a very large number of Unicode characters in django.utils.encoding.uri_to_iri().

Affected package

Affected versions

Fixed versions

Vulnerability changelog

===========================

*September 4, 2023*

Django 3.2.21 fixes a security issue with severity "moderate" in 3.2.20.

CVE-2023-41164: Potential denial of service vulnerability in ``django.utils.encoding.uri_to_iri()``
===================================================================================================

``django.utils.encoding.uri_to_iri()`` was subject to potential denial of
service attack via certain inputs with a very large number of Unicode
characters.


===========================

Resources

• https://pypi.org/project/django
• https://data.safetycli.com/changelogs/django/
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-41164
• https://www.djangoproject.com/weblog/2023/sep/04/security-releases/
• https://docs.djangoproject.com/en/4.2/releases/security/
• https://groups.google.com/forum/#%21forum/django-announce
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJFRPUHDYJHBH3KYHSPGULQM4JN7BMSU/
• https://security.netapp.com/advisory/ntap-20231214-0002/