Security Advisory

CVE-2021-42553

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2022-10-21 00:00:00

Last updated 2025-05-07 20:10:49

Assigner NCSC.ch

State PUBLISHED

Description

A buffer overflow vulnerability in stm32_mw_usb_host of STMicroelectronics in versions before 3.5.1 allows an attacker to execute arbitrary code when the descriptor contains more endpoints than USBH_MAX_NUM_ENDPOINTS. The library is typically integrated when using a RTOS such as FreeRTOS on STM32 MCUs.

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