KeePass flaw allows retrieval of master password, PoC is public
helpnetsecurity.com
helpnetsecurity.com
Which means the importance is pretty low.. if you have a malicious program running in your account it is game over anyway, as it can sniff the keyboard or inject code into process or do many other things to steal your password.
Researcher says the big problem is "someone could obtain access to your computer and conduct forensic analysis". I agree with that, and I also thing this is not a big concert for many people.