netty: io.netty/netty-codec-mqtt: Netty: Denial of Service due to excessive resource consumption from crafted MQTT 5 header

A flaw was found in Netty, an asynchronous event-driven network application framework. A remote attacker can exploit this vulnerability by sending a crafted MQTT 5 header with an oversized Properties section. This causes Netty to repeatedly parse and buffer the large Properties section in memory...

Allocation of Resources Without Limits or Throttling

Overview Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling due to the lack of size limits applied to the Properties section during the decoding process. An attacker can cause excessive CPU and memory consumption by sending MQTT messages with...