CVE-2026-61633: Loop with Unreachable Exit Condition

NanoMQ is an MQTT broker. Prior to 0.24.14, the NanoMQ client function nnimqttmsgdecodeunsubscribe in nng/src/supplemental/mqtt/mqttcodec.c does not handle a failed readuint16 while counting topics in a malformed UNSUBSCRIBE packet. A zero-length topic followed by trailing data can leave buf.curp...

PT-2024-38981

Name of the Vulnerable Software and Affected Versions: Eclipse Mosquitto versions up to 2.0.18a Description: The issue allows an attacker to cause memory leaking, segmentation fault, or heap-use-after-free by sending specific sequences of packets, including "CONNECT", "DISCONNECT", "SUBSCRIBE",...

CVE-2024-35512

hmq v1.5.5 is vulnerable to Denial of Service DoS due to a Null Pointer Exception. A remote attacker can trigger a broker crash by sending a specially crafted MQTT UNSUBSCRIBE packet with an illegal control character Topic. The failure to properly validate this field leads to a null pointer...

CVE-2024-35512: Undefined Security Weakness

hmq v1.5.5 is vulnerable to Denial of Service DoS due to a Null Pointer Exception. A remote attacker can trigger a broker crash by sending a specially crafted MQTT UNSUBSCRIBE packet with an illegal control character Topic. The failure to properly validate this field leads to a null pointer...