VULNERABILITY INTELLIGENCE

CVE-2021-45934

CVSS score5.5 MEDIUM

EPSS probability0.92%

CISA KEVNot currently listed

Published2022-01-01

Last modified2026-06-17

Description

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