CVE-2023-7158

HIGH

MicroPython < 1.22.0 - Heap-based Buffer Overflow in slice_indices Function

Title source: llm
STIX 2.1

Description

A vulnerability was found in MicroPython up to 1.21.0. It has been classified as critical. Affected is the function slice_indices of the file objslice.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 1.22.0 is able to address this issue. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-249180.

References (9)

Core 9
Core References
Third Party Advisory vdb-entry technical-description
https://vuldb.com/?id.249180
Permissions Required, Third Party Advisory signature permissions-required
https://vuldb.com/?ctiid.249180
Exploit, Issue Tracking exploit issue-tracking
https://github.com/micropython/micropython/issues/13007

Scores

CVSS v3 7.3
EPSS 0.0123
EPSS Percentile 65.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Details

CWE
CWE-122 CWE-787
Status published
Products (1)
micropython/micropython < 1.22.0
Published Dec 29, 2023
Tracked Since Feb 18, 2026