What are the odds of me getting genital herpes when my boyfriend has cold sores?

My boyfriend performed oral sex on me last night, and today he found he has 2 cold sores. I want to know what the odds are of me getting genital herpes or if it’s even possible. He doesn’t have genital herpes by the way.

What are the chances of getting genital herpes from oral sex?

So people say that you can get genital herpes from having oral sex from someone who has cold sores. What are the chances of getting genital herpes this way? Even if there is no sign of an outbreak?