CVE-2026-58210

A flaw was found in NATS Server. An unauthenticated remote attacker could send large, incomplete MQTT CONNECT packets to the server. This action causes the server to retain these packets, consuming significant memory before authentication is complete. This can lead to a denial of service DoS...

PT-2026-29123

NanoMQ MQTT Broker NanoMQ is an all-around Edge Messaging Platform. In NanoMQ version 0.24.6, after enabling auth.http auth HTTP authentication, when a client connects to the broker using MQTT CONNECT without providing username/password, and the configuration params uses the placeholders %u / %P...

CVE-2024-44775

kmqtt v0.2.7 is vulnerable to Denial of Service DoS due to a Null Pointer Exception. A remote attacker can cause the broker to crash by sending a specially crafted MQTT CONNECT packet that triggers an unhandled null reference, leading to an immediate process termination...

SUSE CVE-2017-7651

In Eclipse Mosquitto 1.4.14, a user can shutdown the Mosquitto server simply by filling the RAM memory with a lot of connections with large payload. This can be done without authentications if occur in connection phase of MQTT protocol...

CVE-2021-45937

wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttClientDecodePacket called from MqttClientWaitType and MqttClientConnect...

DEBIAN-CVE-2017-7651

In Eclipse Mosquitto 1.4.14, a user can shutdown the Mosquitto server simply by filling the RAM memory with a lot of connections with large payload. This can be done without authentications if occur in connection phase of MQTT protocol...