I'm finding this confusing as well. I write some Java programs for my employer. I just use the SDK/JDK. Most of what we do is use apache came, with spring and apache httpclient with some other non-oracle libraries for processing json or xml.
How do I figure out if we are at risk? We use the apps in-house only.
The only thing you should really ever do if you have legal concerns: contact legal, and only legal, immediately in a way that preserves attorney-client privilege. If you have concerns about personal legal liability, then contact your own lawyer.
How do I figure out if we are at risk? We use the apps in-house only.