What is the Log4j exploit?
It is a remote code execution bug, also known as a "zero-day" exploit, that allows users to control the contents of log messages to execute whatever code they like. It allows bad actors to take control of other players' computers.
For more details about this exploit see here: https://www.lunasec.io/docs/blog/log4j-zero-day/
Has it been fixed on Badlion Client?
Yes, it has been patched in all versions of Badlion Client! Badlion Client is safe to use. Security is our number one priority.