What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

July 22, 2021 CVE published
August 4, 2024 Record updated