CVE-2017-7651
In Eclipse Mosquitto 1.4.14, a user can shutdown the Mosquitto server simply by filling the RAM memory with a lot of connections with large payload. This can be done without authentications if occur in connection phase of MQTT protocol.
Date published : 2018-04-24
https://bugs.eclipse.org/bugs/show_bug.cgi?id=529754
https://mosquitto.org/blog/2018/02/security-advisory-cve-2017-7651-cve-2017-7652/