VULNERABILITY INTELLIGENCE

CVE-2021-30636

CVSS score9.8 CRITICAL

EPSS probability1.47%

CISA KEVNot currently listed

Published2022-01-24

Last modified2026-06-17

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

Description

In MediaTek LinkIt SDK before 4.6.1, there is a possible memory corruption due to an integer overflow during mishandled memory allocation by pvPortCalloc and pvPortRealloc.

Weakness classification

nvd@nist.gov: CWE-190

Primary references

cve@mitre.org — Mitigation, Third Party Advisory, US Government Resource, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Third Party Advisory, US Government Resource, VDB Entry