=========================================================================Ubuntu Security Notice USN-4932-1
May 04, 2021

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

- Ubuntu 21.04
- Ubuntu 20.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Django could be made to overwrite files.

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

Details:

It was discovered that Django incorrectly handled certain
filenames. A remote attacker could possibly use this issue to create or
overwrite files in unexpected directories.

Update instructions:

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

Ubuntu 21.04:
  python3-django                  2:2.2.20-1ubuntu0.1

Ubuntu 20.10:
  python3-django                  2:2.2.16-1ubuntu0.4

Ubuntu 20.04 LTS:
  python3-django                  2:2.2.12-1ubuntu0.6

Ubuntu 18.04 LTS:
  python-django                   1:1.11.11-1ubuntu1.13
  python3-django                  1:1.11.11-1ubuntu1.13

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

References:
  https://ubuntu.com/security/notices/USN-4932-1
  CVE-2021-31542

Package Information:
  https://launchpad.net/ubuntu/+source/python-django/2:2.2.20-1ubuntu0.1
  https://launchpad.net/ubuntu/+source/python-django/2:2.2.16-1ubuntu0.4
  https://launchpad.net/ubuntu/+source/python-django/2:2.2.12-1ubuntu0.6
  https://launchpad.net/ubuntu/+source/python-django/1:1.11.11-1ubuntu1.13