JDK: missing null check when accelerating Unsafe calls
Published Feb 11, 2019
9.8
CRITICALCVSS 3.0
EPSS 2.33%
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.
Affected products
-
- Version 0.11.0StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| The Eclipse Foundation | Eclipse OpenJ9 | n/a |
|
Configuration 2
- 5.8
- 6.0
- 7.0
- 6.0
- 7.0
- 6.0
- 7.0
No data.
Red Hat Enterprise Linux 6 Supplementary
java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el6_10
Fixed · RHSA-2019:0469
Red Hat Enterprise Linux 7 Supplementary
java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el7
Fixed · RHSA-2019:0472
Red Hat Enterprise Linux 8
java-1.8.0-ibm-1:1.8.0.5.35-3.el8_0
Fixed · RHSA-2019:1238
Red Hat Satellite 5.8
java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el6_10
Fixed · RHSA-2019:0640
Red Hat Enterprise Linux 6
java-1.7.1-ibm
Not affected
Red Hat Enterprise Linux 7
java-1.7.1-ibm
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 Supplementary | java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el6_10 | Fixed | RHSA-2019:0469 |
| Red Hat Enterprise Linux 7 Supplementary | java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el7 | Fixed | RHSA-2019:0472 |
| Red Hat Enterprise Linux 8 | java-1.8.0-ibm-1:1.8.0.5.35-3.el8_0 | Fixed | RHSA-2019:1238 |
| Red Hat Satellite 5.8 | java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el6_10 | Fixed | RHSA-2019:0640 |
| Red Hat Enterprise Linux 6 | java-1.7.1-ibm | Not affected | n/a |
| Red Hat Enterprise Linux 7 | java-1.7.1-ibm | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat 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.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (15 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 2.33% (0.02332) | 82.95th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.33% (0.02332) | 81.26th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.44% (0.00437) | 75.00th | v3 (v2023.03.01) |
| Jul 4, 2024 | 0.44% (0.00437) | 74.92th | v3 (v2023.03.01) |
| Apr 9, 2024 | 0.55% (0.00545) | 77.04th | v3 (v2023.03.01) |
| Feb 5, 2024 | 0.55% (0.00545) | 75.04th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.48% (0.00485) | 72.24th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.25% (0.01247) | 30.57th | v1 |
| Jan 6, 2022 | 1.25% (0.01247) | 29.93th | v1 |
| Sep 1, 2021 | 1.25% (0.01247) | 68.62th | v1 |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
References (9)
- https://access.redhat.com/errata/RHSA-2019:0469 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0472 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:0640 vendor-advisoryx_refsource_REDHATThird Party Advisory
- https://access.redhat.com/errata/RHSA-2019:1238 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2018-12549 Vendor Advisory
- https://bugs.eclipse.org/bugs/show_bug.cgi?id=544019 x_refsource_CONFIRMIssue TrackingMitigationVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1685717 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2018-12549
- https://www.cve.org/CVERecord?id=CVE-2018-12549
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2019:0469 | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| https://access.redhat.com/errata/RHSA-2019:0472 | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| https://access.redhat.com/errata/RHSA-2019:0640 | vendor-advisoryx_refsource_REDHATThird Party Advisory | |
| https://access.redhat.com/errata/RHSA-2019:1238 | vendor-advisoryx_refsource_REDHAT | |
| https://access.redhat.com/security/cve/CVE-2018-12549 | Vendor Advisory | |
| https://bugs.eclipse.org/bugs/show_bug.cgi?id=544019 | x_refsource_CONFIRMIssue TrackingMitigationVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1685717 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-12549 | ||
| https://www.cve.org/CVERecord?id=CVE-2018-12549 |
Change history (0)
No recorded changes yet.