🛡️ CVE-2024-8947
🟡 CVSS 5.6 — Medium ⚠️ Exploit Public CWE-416 NVD
5.6
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A vulnerability was found in MicroPython 1.22.2. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file py/objarray.c. The manipulation leads to use after free. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. Upgrading to version 1.23.0 is able to address this issue. The identifier of the patch is 4bed614e707c0644c06e117f848fa12605c711cd. It is recommended to upgrade the affected component. In micropython objarray component, when a bytes object is resized and copied into itself, it may reference memory that has already been freed.

Details

Severity MEDIUM
CVSS Score 5.6
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE CWE-416
Public Exploit ⚠️ Yes
Source NVD
Published 2024-09-17
Updated 2026-06-15
Modified 2024-09-24

Affected Packages

Software From version Fixed in
micropython — —
micropython-copy — —
micropython-io — —

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