CVE-2021-27421

HIGH

NXP MCUXpresso SDK <2.8.2 - Memory Corruption

Title source: llm
STIX 2.1

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.

References (2)

Core 2
Core References
Third Party Advisory, US Government Resource x_refsource_confirm
https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04
Product, Vendor Advisory x_refsource_confirm
https://mcuxpresso.nxp.com/en/welcome

Scores

CVSS v3 7.3
EPSS 0.0077
EPSS Percentile 51.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-190
Status published
Products (1)
nxp/mcuxpresso_software_development_kit < 2.8.2
Published May 03, 2022
Tracked Since Feb 18, 2026