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#48696of 56,326
5.5Total CVSS
Vulnerabilities · 1
PT-2021-24327
5.5
2021-12-31
Wolfssl · Wolfssl Wolfmqtt · CVE-2021-45938
Name of the Vulnerable Software and Affected Versions: wolfSSL wolfMQTT version 1.9 Description: The issue is a heap-based buffer overflow in the `MqttClient DecodePacket` function, which is called from `MqttClient WaitType` and `MqttClient Unsubscribe`. Recommendations: For wolfSSL wolfMQTT version 1.9, consider disabling the `MqttClient DecodePacket` function as a temporary workaround until a patch is available. Restrict access to the `MqttClient WaitType` and `MqttClient Unsubscribe` functions to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.