https://www.openssl.org/news/secadv/20220705.txt
Looks like based on the info above MiaB is unaffected.
sudo dpkg-query -W openssl
--> openssl 1.1.1-1ubuntu2.1~18.04.20
Might be a good time for some to update their boxes anyways though:
sudo apt-get update && sudo apt-get upgrade -y
And then
sudo reboot