# Django 4.2.9.dev20231204082947 - dokumentacja

# Django 4.1.10 release notes

July 3, 2023

Django 4.1.10 fixes a security issue with severity „moderate” in 4.1.9.

## CVE-2023-36053: Potential regular expression denial of service vulnerability in `EmailValidator`/`URLValidator`

`EmailValidator` and `URLValidator` were subject to potential regular expression denial of service attack via a very large number of domain name labels of emails and URLs.