Known vulnerabilities in libgnat-8 (Ubuntu package) 8.3.0-21ubuntu1

8.4.0-3ubuntu2 8-20180414-1ubuntu2 8.4.0-1ubuntu1~19.10 8.4.0-1ubuntu1~18.04 8.3.0-26ubuntu1~19.10 8.3.0-26ubuntu1~18.04 8.3.0-23ubuntu2 8.3.0-23ubuntu1 8.3.0-22ubuntu2 8.3.0-21ubuntu1 8.3.0-6ubuntu1~18.10.1 8.3.0-6ubuntu1~18.04.1 8.3.0-6ubuntu1