CVE-2018-3259: Oracle Database Server

Critical severity, CVSS 9.8. EPSS: 3.3% chance of exploitation in the next 30 days.

Vulnerability in the Java VM component of Oracle Database Server. Supported versions that are affected are 11.2.0.4, 12.1.0.2, 12.2.0.1 and 18c. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Java VM. Successful attacks of this vulnerability can result in takeover of Java VM. CVSS 3.0 Base Score 9.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Affected products

• Oracle Database Server: version 11.2.0.4 only; version 12.1.0.2 only; version 12.2.0.1 only; version 18c only

Published 2018-10-17. Last modified 2026-06-17.