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Ubuntu Security Notice USN-5269-1
February 03, 2022

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

- Ubuntu 21.10
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

Several security issues were fixed in Django.

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

Details:

Keryn Knight discovered that Django incorrectly handled certain template
tags. A remote attacker could possibly use this issue to perform a
cross-site scripting attack. (CVE-2022-22818)

Alan Ryan discovered that Django incorrectly handled file uploads. A remote
attacker could possibly use this issue to cause Django to hang, resulting
in a denial of service. (CVE-2022-23833)

Update instructions:

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

Ubuntu 21.10:
  python3-django                  2:2.2.24-1ubuntu1.3

Ubuntu 20.04 LTS:
  python3-django                  2:2.2.12-1ubuntu0.10

Ubuntu 18.04 LTS:
  python-django                   1:1.11.11-1ubuntu1.16
  python3-django                  1:1.11.11-1ubuntu1.16

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

References:
  https://ubuntu.com/security/notices/USN-5269-1
  CVE-2022-22818, CVE-2022-23833

Package Information:
  https://launchpad.net/ubuntu/+source/python-django/2:2.2.24-1ubuntu1.3
  https://launchpad.net/ubuntu/+source/python-django/2:2.2.12-1ubuntu0.10
  https://launchpad.net/ubuntu/+source/python-django/1:1.11.11-1ubuntu1.16