CVE-2021-42553 — STM32 USB Host Library Buffer Overflow

Affected: STMicroelectronics STM32Cube STM32 USB Host Library

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.

USN-7472-1 — micropython vulnerabilities

Affected: Ubuntu:Pro:20.04:LTS: micropython, Ubuntu:Pro:22.04:LTS: micropython, Ubuntu:Pro:24.04:LTS: micropython

Junwha Hong and Wonil Jang discovered that Micropython incorrectly handled the length of a buffer in mp_vfs_umount, leading to a heap-based buffer overflow vulnerability. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2024-8946)

Junwha Hong and Wonil Jang discovered that Micropython incorrectly handled memory, leading to a use-after-free vulnerability under certain circumstances. If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2024-8947)

It was discovered that Middleware USB Host MCU Component incorrectly handled memory, leading to a buffer overflow vulnerability, If a user or automated system were tricked into opening a specially crafted file, an attacker could possibly use this issue to cause a denial of service or possibly execute arbitrary code. (CVE-2021-42553)

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CVE-2021-42553 — STM32 USB Host Library Buffer Overflow

USN-7472-1 — micropython vulnerabilities