=========================================================================Ubuntu Security Notice USN-5837-2
February 01, 2023

python-django vulnerability
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM

Summary:

Django could be made to consume memory if it received specially crafted
network traffic.

Software Description:
- python-django: High-level Python web development framework

Details:

USN-5837-1 fixed a vulnerability in Django. This update provides
the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

 Nick Pope discovered that Django incorrectly handled certain
 Accept-Language headers. A remote attacker could possibly use this issue to
 cause Django to consume memory, leading to a denial of service.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 16.04 ESM:
  python-django                   1.8.7-1ubuntu5.15+esm6
  python3-django                  1.8.7-1ubuntu5.15+esm6

In general, a standard system update will make all the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-5837-2
  https://ubuntu.com/security/notices/USN-5837-1
  CVE-2023-23969