CVE-2023-7158CWE-122

MicroPython objslice.c slice_indices heap-based overflow

High · published December 29, 2023

CVSS v3.1
7.3
EPSS
1%
Percentile
68.7
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.01228 · 68.7th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2023-12-29T06:31Z
EPSS history
Timeline
  • 29 DEC 06:31Z
    MicroPython objslice.c slice_indices heap-based overflow
    cvelistv5