ghsa-whxr-3p84-rf3c
Vulnerability from github
Published
2025-05-07 09:31
Modified
2025-05-07 15:25
Severity ?
Summary
Apache ActiveMQ: Unchecked buffer length can cause excessive memory allocation
Details
Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ.
During unmarshalling of OpenWire commands the size value of buffers was not properly validated which could lead to excessive memory allocation and be exploited to cause a denial of service (DoS) by depleting process memory, thereby affecting applications and services that rely on the availability of the ActiveMQ broker when not using mutual TLS connections. This issue affects Apache ActiveMQ: from 6.0.0 before 6.1.6, from 5.18.0 before 5.18.7, from 5.17.0 before 5.17.7, before 5.16.8. ActiveMQ 5.19.0 is not affected.
Users are recommended to upgrade to version 6.1.6+, 5.19.0+, 5.18.7+, 5.17.7, or 5.16.8 or which fixes the issue.
Existing users may implement mutual TLS to mitigate the risk on affected brokers.
{
"affected": [
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.activemq:activemq-openwire-legacy"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.16.8"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.activemq:activemq-client"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "5.16.8"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.activemq:activemq-openwire-legacy"
},
"ranges": [
{
"events": [
{
"introduced": "5.17.0"
},
{
"fixed": "5.17.7"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.activemq:activemq-openwire-legacy"
},
"ranges": [
{
"events": [
{
"introduced": "5.18.0"
},
{
"fixed": "5.18.7"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.activemq:activemq-openwire-legacy"
},
"ranges": [
{
"events": [
{
"introduced": "6.0.0"
},
{
"fixed": "6.1.6"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.activemq:activemq-client"
},
"ranges": [
{
"events": [
{
"introduced": "5.17.0"
},
{
"fixed": "5.17.7"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.activemq:activemq-client"
},
"ranges": [
{
"events": [
{
"introduced": "5.18.0"
},
{
"fixed": "5.18.7"
}
],
"type": "ECOSYSTEM"
}
]
},
{
"package": {
"ecosystem": "Maven",
"name": "org.apache.activemq:activemq-client"
},
"ranges": [
{
"events": [
{
"introduced": "6.0.0"
},
{
"fixed": "6.1.6"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2025-27533"
],
"database_specific": {
"cwe_ids": [
"CWE-789"
],
"github_reviewed": true,
"github_reviewed_at": "2025-05-07T15:25:41Z",
"nvd_published_at": "2025-05-07T09:15:18Z",
"severity": "MODERATE"
},
"details": "Memory Allocation with Excessive Size Value vulnerability in Apache ActiveMQ.\n\nDuring unmarshalling of OpenWire commands the size value of buffers was not properly validated which could lead to excessive memory allocation and be exploited to cause a denial of service (DoS) by depleting process memory, thereby affecting applications and services that rely on the availability of the ActiveMQ broker when not using mutual TLS connections.\nThis issue affects Apache ActiveMQ: from 6.0.0 before 6.1.6, from 5.18.0 before 5.18.7, from 5.17.0 before 5.17.7, before 5.16.8. ActiveMQ 5.19.0 is not affected.\n\nUsers are recommended to upgrade to version 6.1.6+, 5.19.0+, 5.18.7+, 5.17.7, or 5.16.8 or which fixes the issue.\n\nExisting users may implement mutual TLS to mitigate the risk on affected brokers.",
"id": "GHSA-whxr-3p84-rf3c",
"modified": "2025-05-07T15:25:42Z",
"published": "2025-05-07T09:31:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-27533"
},
{
"type": "WEB",
"url": "https://github.com/apache/activemq/commit/fc4372b9f0f72b8b5eed917f0019c5cea45c5d06"
},
{
"type": "PACKAGE",
"url": "https://github.com/apache/activemq"
},
{
"type": "WEB",
"url": "https://issues.apache.org/jira/browse/AMQ-6596"
},
{
"type": "WEB",
"url": "https://lists.apache.org/thread/8hcm25vf7mchg4zbbhnlx2lc5bs705hg"
},
{
"type": "WEB",
"url": "http://www.openwall.com/lists/oss-security/2025/05/06/1"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/AU:Y/R:A/V:D/RE:M/U:Red",
"type": "CVSS_V4"
}
],
"summary": "Apache ActiveMQ: Unchecked buffer length can cause excessive memory allocation"
}
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.