No concerns. Java 11 is LTS and has its security support officially until 30 Sep 2026 (see in your linked overview).
Java 17 is on Lucee 6 roadmap.
Please see Java 17 support status update
No concerns. Java 11 is LTS and has its security support officially until 30 Sep 2026 (see in your linked overview).
Java 17 is on Lucee 6 roadmap.
Please see Java 17 support status update