USN-4137-1: Mosquitto vulnerability

Mosquitto vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 19.04

Summary

Mosquitto could be made to crash or run programs if it received
specially crafted network traffic.

Software Description

• mosquitto - MQTT version 3.¹⁄₃.1.1 compatible message broker

Details

It was discovered that Mosquitto incorrectly handled certain specially crafted
input and network packets. A remote attacker could use this to cause a denial
of service.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 19.04

To update your system, please follow these instructions: