VULNERABILITY INTELLIGENCE

CVE-2021-27421

CVSS score7.3 HIGH

EPSS probability0.87%

CISA KEVNot currently listed

Published2022-05-03

Last modified2026-06-17

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

Description

NXP MCUXpresso SDK versions prior to 2.8.2 are vulnerable to integer overflow in SDK_Malloc function, which could allow to access memory locations outside the bounds of a specified array, leading to unexpected behavior such segmentation fault when assigning a particular block of memory from the heap via malloc.

Weakness classification

ics-cert@hq.dhs.gov: CWE-190

Primary references

ics-cert@hq.dhs.gov — Product, Vendor Advisory
ics-cert@hq.dhs.gov — Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 — Product, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource