Vulnerabilities > CVE-2021-45932 - Out-of-bounds Write vulnerability in Wolfssl Wolfmqtt 1.9

047910
CVSS 4.3 - MEDIUM
Attack vector
NETWORK
Attack complexity
MEDIUM
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
PARTIAL

Summary

wolfSSL wolfMQTT 1.9 has a heap-based buffer overflow (4 bytes) in MqttDecode_Publish (called from MqttClient_DecodePacket and MqttClient_HandlePacket).

Vulnerable Configurations

Part Description Count
Application
Wolfssl
1

Common Weakness Enumeration (CWE)