CVE-2018-12549

In Eclipse OpenJ9 version 0.11.0, the OpenJ9 JIT compiler may incorrectly omit a null check on...

9.8 Critical

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.33%Up 1.1 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

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.

Record: CVE-2018-12549
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-111, CWE-20
Updated: 2026-11-02

CVE List No score

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.

Record: CVE-2018-12549
Weakness: CWE-111
Updated: 2026-11-02

EUVDEUVD-2018-4509 No score

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.

Record: EUVD-2018-4509
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xpfc-p72p-hwch 9.8

In Eclipse OpenJ9 version 0.11.0, the OpenJ9 JIT compiler may incorrectly omit a null check on...

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.

Record: GHSA-xpfc-p72p-hwch
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-20
Updated: 2026-11-02

OSV 9.8

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.

Record: CVE-2018-12549
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2019:0469 9.8

Red Hat Security Advisory: java-1.8.0-ibm security update

Record: RHSA-2019:0469
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2019:0472 9.8

Red Hat Security Advisory: java-1.8.0-ibm security update

Record: RHSA-2019:0472
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2019:0640 7.3

Red Hat Security Advisory: java-1.8.0-ibm security update

Record: RHSA-2019:0640
CVSS 3.0: 7.3 HighCVSS:3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVRHSA-2019:1238 9.8

Red Hat Security Advisory: java-1.8.0-ibm security update

Record: RHSA-2019:1238
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`java-1.8.0-ibm` Red Hat:rhel_extras:6 From an advisory covering 5 CVEs	before 1:1.8.0.5.30-1jpp.1.el6_10	1:1.8.0.5.30-1jpp.1.el6_10
`java-1.8.0-ibm-demo` Red Hat:rhel_extras:6 From an advisory covering 5 CVEs	before 1:1.8.0.5.30-1jpp.1.el6_10	1:1.8.0.5.30-1jpp.1.el6_10
`java-1.8.0-ibm-devel` Red Hat:rhel_extras:6 From an advisory covering 5 CVEs	before 1:1.8.0.5.30-1jpp.1.el6_10	1:1.8.0.5.30-1jpp.1.el6_10
`java-1.8.0-ibm-jdbc` Red Hat:rhel_extras:6 From an advisory covering 5 CVEs	before 1:1.8.0.5.30-1jpp.1.el6_10	1:1.8.0.5.30-1jpp.1.el6_10
`java-1.8.0-ibm-plugin` Red Hat:rhel_extras:6 From an advisory covering 5 CVEs	before 1:1.8.0.5.30-1jpp.1.el6_10	1:1.8.0.5.30-1jpp.1.el6_10
`java-1.8.0-ibm-src` Red Hat:rhel_extras:6 From an advisory covering 5 CVEs	before 1:1.8.0.5.30-1jpp.1.el6_10	1:1.8.0.5.30-1jpp.1.el6_10
`java-1.8.0-ibm` Red Hat:rhel_extras:7 From an advisory covering 5 CVEs	before 1:1.8.0.5.30-1jpp.1.el7	1:1.8.0.5.30-1jpp.1.el7
`java-1.8.0-ibm-demo` Red Hat:rhel_extras:7 From an advisory covering 5 CVEs	before 1:1.8.0.5.30-1jpp.1.el7	1:1.8.0.5.30-1jpp.1.el7
`java-1.8.0-ibm-devel` Red Hat:rhel_extras:7 From an advisory covering 5 CVEs	before 1:1.8.0.5.30-1jpp.1.el7	1:1.8.0.5.30-1jpp.1.el7
`java-1.8.0-ibm-jdbc` Red Hat:rhel_extras:7 From an advisory covering 5 CVEs	before 1:1.8.0.5.30-1jpp.1.el7	1:1.8.0.5.30-1jpp.1.el7

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Affected packages
Package	Affected	Fixed
`java-1.8.0-ibm-plugin` Red Hat:rhel_extras:7 From an advisory covering 5 CVEs	before 1:1.8.0.5.30-1jpp.1.el7	1:1.8.0.5.30-1jpp.1.el7
`java-1.8.0-ibm-src` Red Hat:rhel_extras:7 From an advisory covering 5 CVEs	before 1:1.8.0.5.30-1jpp.1.el7	1:1.8.0.5.30-1jpp.1.el7
`java-1.8.0-ibm` Red Hat:network_satellite:5.8::el6 From an advisory covering 5 CVEs	before 1:1.8.0.5.30-1jpp.1.el6_10	1:1.8.0.5.30-1jpp.1.el6_10
`java-1.8.0-ibm-devel` Red Hat:network_satellite:5.8::el6 From an advisory covering 5 CVEs	before 1:1.8.0.5.30-1jpp.1.el6_10	1:1.8.0.5.30-1jpp.1.el6_10
`java-1.8.0-ibm` Red Hat:enterprise_linux:8::supplementary From an advisory covering 10 CVEs	before 1:1.8.0.5.35-3.el8_0	1:1.8.0.5.35-3.el8_0
`java-1.8.0-ibm-demo` Red Hat:enterprise_linux:8::supplementary From an advisory covering 10 CVEs	before 1:1.8.0.5.35-3.el8_0	1:1.8.0.5.35-3.el8_0
`java-1.8.0-ibm-devel` Red Hat:enterprise_linux:8::supplementary From an advisory covering 10 CVEs	before 1:1.8.0.5.35-3.el8_0	1:1.8.0.5.35-3.el8_0
`java-1.8.0-ibm-headless` Red Hat:enterprise_linux:8::supplementary From an advisory covering 10 CVEs	before 1:1.8.0.5.35-3.el8_0	1:1.8.0.5.35-3.el8_0
`java-1.8.0-ibm-jdbc` Red Hat:enterprise_linux:8::supplementary From an advisory covering 10 CVEs	before 1:1.8.0.5.35-3.el8_0	1:1.8.0.5.35-3.el8_0
`java-1.8.0-ibm-plugin` Red Hat:enterprise_linux:8::supplementary From an advisory covering 10 CVEs	before 1:1.8.0.5.35-3.el8_0	1:1.8.0.5.35-3.el8_0
`java-1.8.0-ibm-src` Red Hat:enterprise_linux:8::supplementary From an advisory covering 10 CVEs	before 1:1.8.0.5.35-3.el8_0	1:1.8.0.5.35-3.el8_0
`java-1.8.0-ibm-webstart` Red Hat:enterprise_linux:8::supplementary From an advisory covering 10 CVEs	before 1:1.8.0.5.35-3.el8_0	1:1.8.0.5.35-3.el8_0

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases, products	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2018-12549 is a critical vulnerability (CVSS 9.8) in Eclipse Openj9, published February 11, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.33%, the 83rd percentile. No source names a fixed version.

References

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