In Eclipse Mosquitto version 1.6 to 2.0.10, if an authenticated client that had connected with MQTT v5 sent a crafted CONNECT message to the broker a memory leak would occur, which could be used to provide a DoS attack against the broker.
{
"extracted_events": [
{
"cpe": "cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "1.6"
},
{
"last_affected": "2.0.10"
}
],
"source": "CPE_RANGE"
}
]
}