It said it affected back to Java 8, so seems like this design has been there for a while, and since older versions are EOL, any Java level fix would not be patched back.
Android team has been forced to accept Kotlin without the Java ecosystem is an oxymoron, thus not only is ART updatable since Android 12, Java 17 LTS is now the latest supported version.
And on the SDK side, they need to use whatever InteliJ requires.
No, you can just download Adoptium, Azul and probably other builds. They're up to date and will be for few years. Not sure about Oracle, but wouldn't recommend it anyway.