VULNERABILITY INTELLIGENCE
CVE-2021-27502
CVSS score7.4 HIGH
EPSS probability0.28%
CISA KEVNot currently listed
Published2023-11-21
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, 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.
Weakness classification
- ics-cert@hq.dhs.gov: CWE-190
- nvd@nist.gov: CWE-190
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