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TI-2018-09006 Aliases CVE-2018-12547GHSA-5qhh-4q6m-8w7h

Improper input validation in Eclipse OpenJ9

Priority MEDIUM 47CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

In Eclipse OpenJ9, prior to the 0.12.0 release, the jio_snprintf() and jio_vsnprintf() native methods ignored the length parameter. This affects existing APIs that called the functions to exceed the allocated buffer. This functions were not directly callable by non-native user code.

Why it matters now

EPSS 0.02744 86th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed Eclipse OpenJ9 (The Eclipse Foundation): 0.12.0Red Hat: 6 advisories

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Eclipse FoundationEclipse OpenJ9before 0.12.00.12.0Patch availableCNA
  • Eclipse OpenJ9 VendorEclipse Foundation Affected before 0.12.0 Fixed in 0.12.0 Patch available CNA

CPE configurations NVD · 8

CPEVersionsRoleVendor
cpe:2.3:a:eclipse:openj9:*:*:*:*:*:*:*:*before 0.12.0VulnerableEclipse Foundation
cpe:2.3:a:redhat:satellite:5.8:*:*:*:*:*:*:*5.8VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:a:eclipse:openj9:*:*:*:*:*:*:*:* Versions before 0.12.0 Vulnerable ·Eclipse Foundation
  • cpe:2.3:a:redhat:satellite:5.8:*:*:*:*:*:*:* Versions 5.8 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat

Remediation

  • Fix · CNA Eclipse OpenJ9 (The Eclipse Foundation) Fixed in 0.12.0

Red Hat 6 advisories

  • RHSA-2019:1238 Released 2019-05-16 · Red Hat rating Critical
    java-1.8.0-ibm security update
    • Red Hat Enterprise Linux 8 Supplementary java-1.8.0-ibm-1:1.8.0.5.35-3.el8_0, java-1.8.0-ibm-demo-1:1.8.0.5.35-3.el8_0, java-1.8.0-ibm-devel-1:1.8.0.5.35-3.el8_0 +5
  • RHSA-2019:0640 Released 2019-03-25 · Red Hat rating Moderate
    java-1.8.0-ibm security update
    • Red Hat Satellite 5.8 (RHEL v.6) java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-devel-1:1.8.0.5.30-1jpp.1.el6_10
  • RHSA-2019:0473 Released 2019-03-08 · Red Hat rating Critical
    java-1.7.1-ibm security update
    • Red Hat Enterprise Linux Client Supplementary (v. 7) java-1.7.1-ibm-1:1.7.1.4.40-1jpp.1.el7, java-1.7.1-ibm-demo-1:1.7.1.4.40-1jpp.1.el7, java-1.7.1-ibm-devel-1:1.7.1.4.40-1jpp.1.el7 +3
    • Red Hat Enterprise Linux ComputeNode Supplementary (v. 7) java-1.7.1-ibm-1:1.7.1.4.40-1jpp.1.el7, java-1.7.1-ibm-demo-1:1.7.1.4.40-1jpp.1.el7, java-1.7.1-ibm-devel-1:1.7.1.4.40-1jpp.1.el7 +1
    • Red Hat Enterprise Linux Server Supplementary (v. 7) java-1.7.1-ibm-1:1.7.1.4.40-1jpp.1.el7, java-1.7.1-ibm-demo-1:1.7.1.4.40-1jpp.1.el7, java-1.7.1-ibm-devel-1:1.7.1.4.40-1jpp.1.el7 +3
    • Red Hat Enterprise Linux Workstation Supplementary (v. 7) java-1.7.1-ibm-1:1.7.1.4.40-1jpp.1.el7, java-1.7.1-ibm-demo-1:1.7.1.4.40-1jpp.1.el7, java-1.7.1-ibm-devel-1:1.7.1.4.40-1jpp.1.el7 +3
Show 3 more Red Hat advisories
  • RHSA-2019:0472 Released 2019-03-08 · Red Hat rating Critical
    java-1.8.0-ibm security update
    • Red Hat Enterprise Linux Client Supplementary (v. 7) java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-demo-1:1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-devel-1:1.8.0.5.30-1jpp.1.el7 +3
    • Red Hat Enterprise Linux ComputeNode Supplementary (v. 7) java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-demo-1:1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-devel-1:1.8.0.5.30-1jpp.1.el7 +1
    • Red Hat Enterprise Linux Server Supplementary (v. 7) java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-demo-1:1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-devel-1:1.8.0.5.30-1jpp.1.el7 +3
    • Red Hat Enterprise Linux Workstation Supplementary (v. 7) java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-demo-1:1.8.0.5.30-1jpp.1.el7, java-1.8.0-ibm-devel-1:1.8.0.5.30-1jpp.1.el7 +3
  • RHSA-2019:0474 Released 2019-03-07 · Red Hat rating Critical
    java-1.7.1-ibm security update
    • Red Hat Enterprise Linux Desktop Supplementary (v. 6) java-1.7.1-ibm-1:1.7.1.4.40-1jpp.1.el6_10, java-1.7.1-ibm-demo-1:1.7.1.4.40-1jpp.1.el6_10, java-1.7.1-ibm-devel-1:1.7.1.4.40-1jpp.1.el6_10 +3
    • Red Hat Enterprise Linux HPC Node Supplementary (v. 6) java-1.7.1-ibm-1:1.7.1.4.40-1jpp.1.el6_10, java-1.7.1-ibm-demo-1:1.7.1.4.40-1jpp.1.el6_10, java-1.7.1-ibm-devel-1:1.7.1.4.40-1jpp.1.el6_10 +1
    • Red Hat Enterprise Linux Server Supplementary (v. 6) java-1.7.1-ibm-1:1.7.1.4.40-1jpp.1.el6_10, java-1.7.1-ibm-demo-1:1.7.1.4.40-1jpp.1.el6_10, java-1.7.1-ibm-devel-1:1.7.1.4.40-1jpp.1.el6_10 +3
    • Red Hat Enterprise Linux Workstation Supplementary (v. 6) java-1.7.1-ibm-1:1.7.1.4.40-1jpp.1.el6_10, java-1.7.1-ibm-demo-1:1.7.1.4.40-1jpp.1.el6_10, java-1.7.1-ibm-devel-1:1.7.1.4.40-1jpp.1.el6_10 +3
  • RHSA-2019:0469 Released 2019-03-06 · Red Hat rating Critical
    java-1.8.0-ibm security update
    • Red Hat Enterprise Linux Desktop Supplementary (v. 6) java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-demo-1:1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-devel-1:1.8.0.5.30-1jpp.1.el6_10 +3
    • Red Hat Enterprise Linux HPC Node Supplementary (v. 6) java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-demo-1:1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-devel-1:1.8.0.5.30-1jpp.1.el6_10 +1
    • Red Hat Enterprise Linux Server Supplementary (v. 6) java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-demo-1:1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-devel-1:1.8.0.5.30-1jpp.1.el6_10 +3
    • Red Hat Enterprise Linux Workstation Supplementary (v. 6) java-1.8.0-ibm-1:1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-demo-1:1.8.0.5.30-1jpp.1.el6_10, java-1.8.0-ibm-devel-1:1.8.0.5.30-1jpp.1.el6_10 +3

Vendor assessments

Red Hat

Red Hat rating: Critical. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 8 SupplementaryFixed RHSA-2019:1238
Red Hat Enterprise Linux Client Supplementary (v. 7)Fixed RHSA-2019:0472, RHSA-2019:0473
Red Hat Enterprise Linux ComputeNode Supplementary (v. 7)Fixed RHSA-2019:0472, RHSA-2019:0473
Red Hat Enterprise Linux Desktop Supplementary (v. 6)Fixed RHSA-2019:0469, RHSA-2019:0474
Red Hat Enterprise Linux HPC Node Supplementary (v. 6)Fixed RHSA-2019:0469, RHSA-2019:0474
Red Hat Enterprise Linux Server Supplementary (v. 6)Fixed RHSA-2019:0469, RHSA-2019:0474
Red Hat Enterprise Linux Server Supplementary (v. 7)Fixed RHSA-2019:0472, RHSA-2019:0473
Red Hat Enterprise Linux Workstation Supplementary (v. 6)Fixed RHSA-2019:0469, RHSA-2019:0474
Red Hat Enterprise Linux Workstation Supplementary (v. 7)Fixed RHSA-2019:0472, RHSA-2019:0473
Red Hat Satellite 5.8 (RHEL v.6)Fixed RHSA-2019:0640

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-12547
  2. 2026-10-03 Alias added: GHSA-5qhh-4q6m-8w7h

References

Exploit 1

Advisory 6

  • TI-2026-06062 Out-of-bounds read in Eclipse OpenJ9 CVSS 4.0HIGH 8.7
  • TI-2021-09396 Missing initialization of resource in Eclipse OpenJ9 CVSS 3.1MEDIUM 6.5
  • TI-2018-09008 Improper input validation in Eclipse OpenJ9 CVSS 3.0CRITICAL 9.8
  • TI-2021-17899 In Eclipse Openj9 before version 0.29.0, the JVM does not throw IllegalAccessError for… CVSS 3.1CRITICAL 9.8
  • TI-2019-08829 Out-of-bounds write in Eclipse OpenJ9 CVSS 3.0CRITICAL 9.8
  • TI-2020-16547 Stack-based buffer overflow in Eclipse OpenJ9 CVSS 3.1CRITICAL 9.8
See all 22 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences