The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: python3-urllib3 1.25.8-2ubuntu0.2 In general, a standard system update will make all the necessary changes.
https://ubuntu.com/security/notices/USN-5812-1
CVE-2021-33503
https://launchpad.net/ubuntu/+source/python-urllib3/1.25.8-2ubuntu0.2
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