CVE-2021-22680

9.8 criticalEPSS 1.6%

Critical (9.8) in nxp mqx. EPSS 1.6% chance of exploitation in the next 30 days.

NXP MQX Versions 5.1 and prior are vulnerable to integer overflow in mem_alloc, _lwmem_alloc and _partition functions. This unverified memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.

Severity

CVSS 3.1

9.8 critical

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

EPSS: 1.6% chance of exploitation in the next 30 days; higher than 75% of CVEs (scores of 2026-10-31)
CWE: CWE-190
Published: 2022-05-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

nxp:mqx

References

https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04
https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04

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