Heap-Based Buffer Overflow in wolfMQTT 1.9: MqttClient_DecodePacket Vulnerability

Heap-Based Buffer Overflow in wolfMQTT 1.9: MqttClient_DecodePacket Vulnerability

CVE-2021-45938 · MEDIUM Severity

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttClient_DecodePacket (called from MqttClient_WaitType and MqttClient_Unsubscribe).

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