HighFix available
activemq — security advisory
TLS hostname verification when using the Apache ActiveMQ Client before 5.15.6 was missing which could make the client vulnerable to a MITM attack between a Java application using the ActiveMQ client and the ActiveMQ server. This is now enabled by default.
- Products
- activemq
- Affected versions
- Not specified
- Fixed versions
- 5.15.6-1
- CVEs
- CVE-2018-11775
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 23:54 UTC · Revision 1
Source evidence
TLS hostname verification when using the Apache ActiveMQ Client before 5.15.6 was missing which could make the client vulnerable to a MITM attack between a Java application using the ActiveMQ client and the ActiveMQ server. This is now enabled by default.
osv:DEBIAN-CVE-2018-11775
activemq
Fixed versions: 5.15.6-1
activemq
Fixed versions: 5.15.6-1
Complete source record
{
"id": "591d4ce54252e0502a1846a38eb31dd8b292adff278ee28e6f3e002522d260ca",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2018-11775",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2018-11775",
"summary": "TLS hostname verification when using the Apache ActiveMQ Client before 5.15.6 was missing which could make the client vulnerable to a MITM attack between a Java application using the ActiveMQ client and the ActiveMQ server. This is now enabled by default.",
"evidence": "osv:DEBIAN-CVE-2018-11775",
"products": [
{
"name": {
"value": "activemq",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.15.6-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "activemq",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.15.6-1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2018-11775",
"aliases": [
"DEBIAN-CVE-2018-11775"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.15.6-1"
}
]
}
],
"package": {
"name": "activemq",
"purl": "pkg:deb/debian/activemq?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-11775.json"
},
"ecosystem_specific": {
"urgency": "low"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.15.6-1"
}
]
}
],
"package": {
"name": "activemq",
"purl": "pkg:deb/debian/activemq?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2018-11775.json"
},
"ecosystem_specific": {
"urgency": "low"
}
}
],
"modified": "2026-10-23T18:01:07.427600050Z",
"provider": "osv",
"upstream": [
"CVE-2018-11775"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2018-11775"
]
},
"related_cves": [
{
"value": "CVE-2018-11775",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 419414,
"published_at": "2018-09-10T20:29:00.223+00:00"
}