CVE-2020-10062: Zephyrproject Zephyr

Critical severity, CVSS 9.8. EPSS: 2.9% chance of exploitation in the next 30 days.

An off-by-one error in the Zephyr project MQTT packet length decoder can result in memory corruption and possible remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.

Affected products

• Zephyrproject Zephyr: up to and including 2.2.0

Published 2020-06-05. Last modified 2026-06-17.