Apache Software Foundation Apache Activemq MQTT vulnerabilities

1 vulnerability

Known vulnerabilities in Apache Software Foundation Apache Activemq MQTT, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

7.5CVE-2026-40046apache software foundationapache activemq+8
EPSS score
0.61%
Integer Overflow or Wraparound vulnerability in Apache ActiveMQ, Apache ActiveMQ All, Apache ActiveMQ MQTT. The fix for "CVE-2025-66168: MQTT control packet remaining length field is not properly validated" was only applied to 5.19.2 (and future 5.19.x) releases but was missed for all 6.0.0+ versions. This issue affects Apache ActiveMQ: from 6.0.0 before 6.2.4; Apache ActiveMQ All: from 6.0.0 before 6.2.4; Apache ActiveMQ MQTT: from 6.0.0 before 6.2.4. Users are recommended to upgrade to version 6.2.4 or a 5.19.x version starting with 5.19.2 or later (currently latest is 5.19.5), which fixes the issue.