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micropython vulnerabilities

Vulnerabilities published for micropython in the last 30 days: 0. Listed in the KEV catalogue: 0.

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Vulnerabilities: 2

  1. CVE-2026-1998

    Medium · CVSS 4.8EPSS 0.22%No fix published

    micropython runtime.c mp_import_all memory corruption

    A flaw has been found in micropython up to 1.27.0. This vulnerability affects the function mp_import_all of the file py/runtime.c. This manipulation causes memory corruption. The attack needs to be launched locally. The exploit has been published and may be used. Patch name: 570744d06c5ba9dba59b4c3f432ca4f0abd396b6. It is suggested to install a patch to address this issue.

    Published Updated
  2. CVE-2021-42553

    Medium · CVSS 6.8EPSS 1.27%No fix published

    STM32 USB Host Library Buffer Overflow

    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.

    Published Updated

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