The ERC20ControlerMinterUpgradeable::burn() function does not implement the functionality as specified in the technical documentation. 
While the specification states:
The implementation only allows burning from the callers own account. This is the current code:
It is recommended to implement the burn function according to the specification by adding a parameter for the account to burn from:
Also, validate that the from address is approved to burn tokens. Although the documentation does not state who or how this addresses gets approved, one option could be only burn from an account if it is blacklisted.
