A heap buffer overflow vulnerability exists in NanoMQ 0.17.2. The vulnerability can be triggered by calling the function copyn_str() in the file mqtt_parser.c. An attacker could exploit this vulnerability to cause a denial of service attack.Referenceshttps://github.com/emqx/nanomqhttps://github.com/nanomq/NanoNNG/pull/509/commits/6815c4036a2344865da393803ecdb7af27d8bde1https://github.com/emqx/nanomq/issues/1155
