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CVE-2018-12549

31
FAUCET Score

CVE-2018-12549 describes a critical vulnerability in Eclipse OpenJ9 version 0.11.0, where the JIT compiler can incorrectly omit a null check on the receiver object of an Unsafe call, impacting various Eclipse and Red Hat Enterprise Linux products. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with low attack complexity, potentially leading to complete compromise of confidentiality, integrity, and availability. Despite its high severity, there is no evidence of active exploitation, publicly available exploit code in Metasploit or ExploitDB, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
0.11.0CPE matchmatch criteria
cpe:2.3:a:eclipse:openj9:0.11.0:*:*:*:*:*:*:*
5.8CPE matchmatch criteria
cpe:2.3:a:redhat:satellite:5.8:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*
6.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.33%
Probability of exploitation in next 30 days
EPSS Percentile
81.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0233 is in the 72nd percentile among its peer group of 36,821 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6 SupplementaryFixed in: java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el6_10
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7 SupplementaryFixed in: java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el7
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: java-1.8.0-ibm-1:1.8.0.5.35-3.el8_0
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Satellite 5.8Fixed in: java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el6_10
View patch

Vendor Advisories (1)

redhatCVE-2018-12549Critical

JDK: missing null check when accelerating Unsafe calls

Mar 1, 2019

References

access.redhat.com / errata/RHSA-2019:0469
Third Party Advisory
access.redhat.com / errata/RHSA-2019:0472
Third Party Advisory
access.redhat.com / errata/RHSA-2019:0640
Third Party Advisory
access.redhat.com / errata/RHSA-2019:1238
bugs.eclipse.org / bugs/show_bug.cgi
Issue TrackingMitigationVendor Advisory