CVE-2025-66168 | Apache ActiveMQ prior 5.19.2/6.1.9/6.2.1 MQTT Control Packet integer overflow

A vulnerability was found in Apache ActiveMQ. It has been classified as problematic. This issue affects some unknown processing of the component MQTT Control Packet Handler. The manipulation leads to integer overflow.

This vulnerability is referenced as CVE-2025-66168. Remote exploitation of the attack is possible. No exploit is available.

Upgrading the affected component is recommended.