Improper input validation vulnerability in Apache ActiveMQ, Apache ActiveMQ KahaDB.
A user can create a durable subscription with a clientId and subscription name that have a combined length > 65,535 (while separately being shorter) on a broker using KahaDB which can cause the broker to shutdown and be unrecoverable.
This issue affects Apache ActiveMQ: from 6.0.0 before 6.3.3, before 5.19.12; Apache ActiveMQ KahaDB: from 6.0.0 before 6.3.3, before 5.19.12.
Users are recommended to upgrade to version 6.4.0, 6.3.3 or 5.19.12, which fixes the issue.
CVSS
No CVSS.
References
Configurations
No configuration.
History
04 Nov 2026, 10:17
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2026-11-04 10:17
Updated : 2026-11-04 14:10
NVD link : CVE-2026-111821
Mitre link : CVE-2026-111821
CVE.ORG link : CVE-2026-111821
JSON object : View
Products Affected
No product.
CWE
CWE-20
Improper Input Validation