Unspecified vulnerability in iot-device-sdk-embedded-c

iot-device-sdk-embedded-c is an application plugin. The Google Cloud IoT Device SDK for embedded C is an easily portable open source C library that connects low-end IoT devices to Google Cloud IoT Core. iot-device-sdk-embedded-c suffers from a security vulnerability that stems from the implementation of calloc() not being length-checked, which could be exploited by an attacker to the vulnerability to access other parts of the heap.