Vulnerabilities > CVE-2021-45939 - Out-of-bounds Write vulnerability in Wolfssl Wolfmqtt 1.9
Attack vector
LOCAL Attack complexity
LOW Privileges required
NONE Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow in MqttClient_DecodePacket (called from MqttClient_WaitType and MqttClient_Subscribe).
Vulnerable Configurations
| Part | Description | Count |
|---|---|---|
| Application | 1 |