CVE-2026-88350

medium

Description

An integer overflow vulnerability exists in MPack 1.1.1 in mpack_node_cstr_alloc() and mpack_node_utf8_cstr_alloc().

References

https://github.com/ludocode/mpack/issues/124

https://github.com/ludocode/mpack/commit/3d54d1215bdb5478d3ddecaf85884c58b382cd9b

https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-84848

Details

Source: Mitre, NVD

Published: 2026-09-22

Updated: 2026-10-01

Risk Information

CVSS v2

Base Score: 4.9

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 6.2

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00198