CocoaMQTT: Denial of Service via Reachable Assertion in `PUBLISH` Packet Parsing

A vulnerability exists in the packet parsing logic of CocoaMQTT that allows an attacker or a compromised/malicious MQTT broker to remotely crash the host iOS/macOS/tvOS application. The vulnerability is located in Source/FramePublish.swift during the extraction of the Topic string from the incomi...

PT-2026-5967

Name of the Vulnerable Software and Affected Versions NanoMQ versions prior to 0.24.7 Description NanoMQ MQTT Broker NanoMQ has an issue related to protocol parsing and forwarding when handling shared subscriptions $share/. A malformed SUBSCRIBE topic, such as $share/ab missing the second /, is n...

Cesanta Mongoose buffer overread vulnerability (CNVD-2019-09626)

Mongoose is a cross-platform embedded Web server and networking libraries , its features include TCP, HTTP clients and servers , WebSocket clients and servers , MQTT clients and proxies and so on. A heap buffer over-read vulnerability exists in the MQTT packet parsing feature...