EUVD-2025-206782

NanoMQ MQTT Broker NanoMQ is an all-around Edge Messaging Platform. In version 0.24.6, NanoMQ has a protocol parsing / forwarding inconsistency when handling shared subscriptions $share/. A malformed SUBSCRIBE topic such as $share/ab missing the second / is not strictly validated during the...

CVE-2025-56353

In tinyMQTT commit 6226ade15bd4f97be2d196352e64dd10937c1962 2024-02-18, a memory leak occurs due to the broker's failure to validate or reject malformed UTF-8 strings in topic filters. An attacker can exploit this by sending repeated subscription requests with arbitrarily large or invalid filter...

CVE-2025-56353

The CVE-2025-56353 affects the tinyMQTT broker. A memory leak occurs because the broker does not validate or reject malformed UTF-8 strings in topic filters, allowing an attacker to send repeated subscription requests with large/invalid payloads. Each request allocates memory for the malformed to...