🛡️ CVE-2024-8948
🟠 CVSS 7.3 — High ⚠️ Exploit Public CWE-122 NVD
7.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A vulnerability was found in MicroPython 1.23.0. It has been rated as critical. Affected by this issue is the function mpz_as_bytes of the file py/objint.c. The manipulation leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 908ab1ceca15ee6fd0ef82ca4cba770a3ec41894. It is recommended to apply a patch to fix this issue. In micropython objint component, converting zero from int to bytes leads to heap buffer-overflow-write at mpz_as_bytes.

Details

Severity HIGH
CVSS Score 7.3
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CWE CWE-122
Public Exploit ⚠️ Yes
Source NVD
Published 2024-09-17
Updated 2026-06-15
Modified 2024-09-23

Affected Packages

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

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