# Django 5.2.9 documentation

# Django 4.1.11 release notes

September 4, 2023

Django 4.1.11 fixes a security issue with severity “moderate” in 4.1.10.

## 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.