Security advisory
In Eclipse OpenJ9 version 0.8, users other than the process owner may be able to use Java Attach API to connect to an Eclipse OpenJ9 or IBM JVM on the same machine and use Attach API operations, which includes the ability to execute untrusted native code. Attach API is enabled by default on Windows, Linux and AIX JVMs and can be disabled using the command line option -Dcom.ibm.tools.attach.enable=no.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2018-12539
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 06:33 UTC · Revision 1
Source evidence
In Eclipse OpenJ9 version 0.8, users other than the process owner may be able to use Java Attach API to connect to an Eclipse OpenJ9 or IBM JVM on the same machine and use Attach API operations, which includes the ability to execute untrusted native code. Attach API is enabled by default on Windows, Linux and AIX JVMs and can be disabled using the command line option -Dcom.ibm.tools.attach.enable=no.
osv:CVE-2018-12539
Complete source record
{
"id": "bd8778f212e277a59458929239407c4e1cbcc141ca3e30afca5efecc8f754cdb",
"url": "https://osv.dev/vulnerability/CVE-2018-12539",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2018-12539",
"summary": "In Eclipse OpenJ9 version 0.8, users other than the process owner may be able to use Java Attach API to connect to an Eclipse OpenJ9 or IBM JVM on the same machine and use Attach API operations, which includes the ability to execute untrusted native code. Attach API is enabled by default on Windows, Linux and AIX JVMs and can be disabled using the command line option -Dcom.ibm.tools.attach.enable=no.",
"evidence": "osv:CVE-2018-12539",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2018-12539",
"aliases": [
"CVE-2018-12539"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/eclipse-openj9/openj9",
"type": "GIT",
"events": [
{
"introduced": "e24e8aa9bdffadfff8564ac605b0003928dcd1aa"
},
{
"last_affected": "e24e8aa9bdffadfff8564ac605b0003928dcd1aa"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:eclipse:openj9:0.8:*:*:*:*:*:*:*",
"range": [
{
"introduced": "0.8"
},
{
"last_affected": "0.8"
}
],
"source": "CPE_STRING"
}
]
}
}
],
"versions": [
"0.8",
"openj9-0.8.0-rc2",
"openj9-0.8.0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-12539.json"
}
}
],
"modified": "2026-10-24T10:30:41.127232479Z",
"provider": "osv",
"references": [
"https://access.redhat.com/errata/RHSA-2018:2568",
"https://access.redhat.com/errata/RHSA-2018:2569",
"https://access.redhat.com/errata/RHSA-2018:2575",
"https://access.redhat.com/errata/RHSA-2018:2576",
"https://access.redhat.com/errata/RHSA-2018:2712",
"https://access.redhat.com/errata/RHSA-2018:2713",
"https://bugs.eclipse.org/bugs/show_bug.cgi?id=534589",
"https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:a:oracle:enterprise_manager_base_platform:13.2.0.0.0:*:*:*:*:*:*:*",
"cpe:2.3:a:oracle:enterprise_manager_base_platform:13.3.0.0.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:enterprise_manager_base_platform",
"extracted_events": [
{
"range": [
{
"introduced": "13.2.0.0.0"
},
{
"last_affected": "13.2.0.0.0"
},
{
"introduced": "13.3.0.0.0"
},
{
"last_affected": "13.3.0.0.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2018-12539",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 435079,
"published_at": "2018-08-14T19:29:00.387+00:00"
}