In Eclipse Mosquitto version 2.0.0 to 2.0.9, if an authenticated client that had connected with MQTT v5 sent a crafted CONNACK message to the broker, a NULL pointer dereference would occur.
In Eclipse Mosquitto version 2.0.0 to 2.0.9, if an authenticated client that had connected with MQTT v5 sent a crafted CONNACK message to the broker, a NULL pointer dereference would occur.
https://bugs.eclipse.org/bugs/show_bug.cgi?id=572608 https://github.com/eclipse/mosquitto/issues/2163 https://github.com/eclipse/mosquitto/commit/6a4a547892184ac7543cfda3ee2294e26be22484