CVE-2019-11778

If an MQTT v5 client connects to Eclipse Mosquitto versions 1.6.0 to 1.6.4 inclusive, sets a last will and testament, sets a will delay interval, sets a session expiry interval, and the will delay interval is set longer than the session expiry interval, then a use after free error occurs, which h...

CVE-2025-65953

NanoMQ MQTT Broker NanoMQ is an all-around Edge Messaging Platform. Prior to version 0.22.5, a Heap-Use-After-Free UAF vulnerability exists in the TCP transport component of NanoMQ, which relies on the underlying NanoNNG library specifically in src/sp/transport/mqtt/brokertcp.c. The vulnerability...

CVE-2025-65953

NanoMQ MQTT Broker NanoMQ is an all-around Edge Messaging Platform. Prior to version 0.22.5, a Heap-Use-After-Free UAF vulnerability exists in the TCP transport component of NanoMQ, which relies on the underlying NanoNNG library specifically in src/sp/transport/mqtt/brokertcp.c. The vulnerability...

CVE-2025-65953

NanoMQ (MQTT Broker) prior to 0.22.5 contains a Heap-Use-After-Free vulnerability in the TCP transport, caused by improper resource management and premature cleanup of message/pipe structures in src/sp/transport/mqtt/broker_tcp.c under certain malformed MQTTV5 retain traffic conditions. Affects N...

EUVD-2021-14859

Malware in sbrugna...

EUVD-2021-21087

Malware in sbrugna...

EUVD-2021-28191

Malicious code in bioql PyPI...

CVE-2021-41039

In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service...

CVE-2021-41039

In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service...

CVE-2021-41039

In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service...

DEBIAN-CVE-2021-41039

In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service...

Denial of service

In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service...

CVE-2021-41039

In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service...

CVE-2021-41039

In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service...

CVE-2021-41039

In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service...

CVE-2021-41039

In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service...

Memory corruption

In Eclipse Mosquitto version 1.6 to 2.0.10, if an authenticated client that had connected with MQTT v5 sent a crafted CONNECT message to the broker a memory leak would occur, which could be used to provide a DoS attack against the broker...

CVE-2021-34431

In Eclipse Mosquitto version 1.6 to 2.0.10, if an authenticated client that had connected with MQTT v5 sent a crafted CONNECT message to the broker a memory leak would occur, which could be used to provide a DoS attack against the broker...

MGASA-2021-0349 Updated mosquitto packages fix security vulnerability

Updated mosquitto packages fix security vulnerability: If an authenticated client connected with MQTT v5 sent a crafted CONNECT message to the broker a memory leak would occur. For other fixes in this update, see the mosquitto.org blog reference...

Denial Of Service (DoS)

Eclipse Mosquitto is vulnerable to denial of service. If an authenticated client that had connected with MQTT v5 sent a crafted CONNACK message to the broker, a NULL pointer dereference would occur...