VULNERABILITY INTELLIGENCE

CVE-2021-27429

CVSS score7.4 HIGH

EPSS probability0.28%

CISA KEVNot currently listed

Published2023-11-20

Last modified2026-06-17

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

Description

Texas Instruments TI-RTOS returns a valid pointer to a small buffer on extremely large values. This can trigger an integer overflow vulnerability in 'HeapTrack_alloc' and result in code execution.

Weakness classification

CWE-190: Integer Overflow or Wraparound

Primary references

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