CVE-2024-8947

Publication date 17 September 2024

Last updated 30 May 2025

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

5.6 · Medium

Score breakdown

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.

Status

Package Ubuntu Release Status
micropython 25.04 plucky
Not affected
24.10 oracular
Fixed 1.22.1+ds-1ubuntu0.24.10.1
24.04 LTS noble
Fixed 1.22.1+ds-1ubuntu0.24.04.1~esm1
22.04 LTS jammy
Fixed 1.17+ds-1.1ubuntu2+esm1
20.04 LTS focal
Fixed 1.12-1ubuntu0.1~esm1

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Severity score breakdown

Parameter Value
Base score 5.6 · Medium
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality Low
Integrity impact Low
Availability impact Low
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L