CVE-2023-23969
In Django 3.2 before 3.2.17, 4.0 before 4.0.9, and 4.1 before 4.1.6, the parsed values of Accept-Language headers are cached in order to avoid repetitive parsing. This leads to a potential denial-of-service vector via excessive memory usage if the raw value of Accept-Language headers is very large.
Date published : 2023-02-01
https://www.djangoproject.com/weblog/2023/feb/01/security-releases/