CVE-2018-12549

JDK: missing null check when accelerating Unsafe calls

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Severity

Critical

Red Hat Product Security

9.8

CVSS 3.0

Review impact separately from score.

Published · March 1, 2019

Updated · June 28, 2026

Description

In Eclipse OpenJ9 version 0.11.0, the OpenJ9 JIT compiler may incorrectly omit a null check on the receiver object of an Unsafe call when accelerating it.

Statement

This issue affects the versions of the java-1.8.0-ibm package as shipped with Red Hat Satellite 5. However, OpenJ9 is loaded only by taskomatic and Tomcat. These 2 processes are listening on the loopback interface only. This flaw is not known to be remotely exploitable under any supported scenario in Satellite 5.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 9.8
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE-20 · Improper Input Validation