CVE-2026-49432

Source
https://cve.org/CVERecord?id=CVE-2026-49432
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-49432.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-49432
Aliases
Downstream
Published
2026-06-30T09:54:38.991Z
Modified
2026-07-08T08:13:40.128962665Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp: STOMP negative content-length enables denial of service
Details

Improper Input Validation vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ Stomp.

A remote unauthenticated peer that can reach an exposed STOMP connector can trigger denial-of-service behavior by sending a negative content-length. For the NIO STOMP transport, an attacker can keep streaming body bytes and grow the per-connection command buffer beyond configured limits to cause OOM. For the blocking STOMP protocol, an error will instead force abnormal transport exception handling for the affected connection and closure. This issue affects Apache ActiveMQ: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ All: before 5.19.8, from 6.0.0 before 6.2.7; Apache ActiveMQ Stomp: before 5.19.8, from 6.0.0 before 6.2.7.

Users are recommended to upgrade to version 6.2.7 or 5.19.8, which fixes the issue.

Database specific
{
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "fixed": "5.19.8"
                },
                {
                    "introduced": "6.0.0"
                },
                {
                    "fixed": "6.2.7"
                },
                {
                    "fixed": "5.19.8"
                },
                {
                    "introduced": "6.0.0"
                },
                {
                    "fixed": "6.2.7"
                },
                {
                    "fixed": "5.19.8"
                },
                {
                    "introduced": "6.0.0"
                },
                {
                    "fixed": "6.2.7"
                }
            ]
        },
        {
            "source": "DESCRIPTION",
            "extracted_events": [
                {
                    "fixed": "5.19.8"
                },
                {
                    "introduced": "6.0.0"
                },
                {
                    "fixed": "6.2.7"
                },
                {
                    "fixed": "5.19.8"
                },
                {
                    "introduced": "6.0.0"
                },
                {
                    "fixed": "6.2.7"
                },
                {
                    "fixed": "5.19.8"
                },
                {
                    "introduced": "6.0.0"
                },
                {
                    "fixed": "6.2.7"
                }
            ]
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/49xxx/CVE-2026-49432.json",
    "cna_assigner": "apache",
    "cwe_ids": [
        "CWE-20"
    ]
}
References

Affected packages

Git / github.com/apache/activemq

Affected ranges

Type
GIT
Repo
https://github.com/apache/activemq
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Introduced
Fixed
Database specific
{
    "source": "CPE_RANGE",
    "cpe": "cpe:2.3:a:apache:activemq:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "5.19.8"
        },
        {
            "introduced": "6.0.0"
        },
        {
            "fixed": "6.2.7"
        }
    ]
}

Affected versions

activemq-5.*
activemq-5.10.0
activemq-5.11.0
activemq-5.12.0
activemq-5.13.0
activemq-5.14.0
activemq-5.15.0
activemq-5.16.0
activemq-5.18.0
activemq-5.18.1
activemq-5.18.2
activemq-5.18.3
activemq-5.18.4
activemq-5.18.5
activemq-5.18.6
activemq-5.19.0
activemq-5.19.1
activemq-5.19.2
activemq-5.9.0
activemq-6.*
activemq-6.0.0
activemq-6.1.0
activemq-6.1.1
activemq-6.1.2
activemq-6.2.0
activemq-6.2.1

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-49432.json"