Does Sophos have any information on the latest Exim vulnerability? Is the UTM (or XG) vulnerable?

Does Sophos have any information on the latest Exim vulnerability?  Is the UTM (or XG) vulnerable?

 

See https://threatpost.com/critical-exim-flaw-opens-millions-of-servers-to-takeover/148108/

 

Really should have a KB article already up and linked on this....