The problem can be corrected by updating your system to the following package versions: Ubuntu 19.10: rygel 0.38.1-2ubuntu3.3 After a standard system update you need to restart your session to make all the necessary changes.
https://ubuntu.com/security/notices/USN-4177-1
https://launchpad.net/ubuntu/+source/rygel/0.38.1-2ubuntu3.3
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