Psorowka

**Name of the Vulnerable Software and Affected Versions** MQTT versions prior to 3.4.6 MQTT versions 4.0.x prior to 4.0.5 **Description** The issue allows specifically crafted MQTT packets to crash the application, making a denial of service attack feasible with very little bandwidth. This is achieved through specific sequences of MQTT packets. **Recommendations** Update to version 3.4.6 or later for version 3.x. Update to version 4.0.5 or later for version 4.x.