CVE-2021-22636

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

Texas Instruments TI-RTOS, when configured to use HeapMem heap(default), malloc returns a valid pointer to a small buffer on extremely large values, which can trigger an integer overflow vulnerability in 'HeapMem_allocUnprotected' and result in code execution.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-190

Affected software

VendorProductVersions
Texas InstrumentsCC32XX< 4.40.00.07
Texas InstrumentsSimpleLink MSP432E4XXall versions
Texas InstrumentsSimpleLink-CC13XX< 4.40.00
Texas InstrumentsSimpleLink-CC26XX< 4.40.00
Texas InstrumentsSimpleLink-CC32XX< 4.10.03

References

Timeline

Published
Nov 20, 2023
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-22636: High severity, CVSS 7.8 | Vulnix