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7.8
CVSSv3

CVE-2021-27504

Published: 21/11/2023 Updated: 01/12/2023
CVSS v3 Base Score: 7.8 | Impact Score: 5.9 | Exploitability Score: 1.8
VMScore: 0
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Vulnerability Summary

Texas Instruments devices running FREERTOS, malloc returns a valid pointer to a small buffer on extremely large values, which can trigger an integer overflow vulnerability in 'malloc' for FreeRTOS, resulting in code execution.

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ICS Advisories

Multiple RTOS (Update D)
Critical Infrastructure Sectors: Energy

References

CWE-190https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04https://www.ti.com/tool/TI-RTOS-MCUhttps://nvd.nist.govhttps://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04
CVSSv3
CVSSv2
CVSSv3
VMScore
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