Vulnerability in the OJVM component of Oracle Database Server. Supported versions that are affected are 11.2.0.4 and 12.1.0.2. Difficult to exploit vulnerability allows low privileged attacker having Create Session, Create Procedure privilege with network access via multiple protocols to compromise OJVM. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of OJVM. CVSS 3.0 Base Score 5.3 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H).