Just FYI, after this fix lands rhel-8.2.0.z, the Leapp team will merge the upstream PR https://github.com/oamg/leapp-repository/pull/516 which will allow the java-11-openjdk-headless to be upgraded.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (Moderate: java-11-openjdk security and bug fix update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHSA-2020:4305