CVE-2021-22680: Nxp Mqx

Critical severity, CVSS 9.8. EPSS: 1.6% chance of exploitation in the next 30 days.

NXP MQX Versions 5.1 and prior are vulnerable to integer overflow in mem_alloc, _lwmem_alloc and _partition functions. This unverified memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

Affected products

• Nxp Mqx: up to and including 5.1

Published 2022-05-03. Last modified 2026-06-17.