High severity7.4NVD Advisory· Published Nov 21, 2023· Updated Jun 17, 2026
CVE-2021-27502
CVE-2021-27502
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
8- cpe:2.3:a:ti:simplelink_cc13xx_software_development_kit:*:*:*:*:*:*:*:*Range: <4.40.00
- cpe:2.3:a:ti:simplelink_cc26xx_software_development_kit:*:*:*:*:*:*:*:*Range: <4.40.00
- cpe:2.3:a:ti:simplelink_cc32xx_software_development_kit:*:*:*:*:*:*:*:*Range: <4.10.03
- cpe:2.3:a:ti:simplelink_msp432e401y:-:*:*:*:*:*:*:*
- cpe:2.3:a:ti:simplelink_msp432e411y:-:*:*:*:*:*:*:*
- cpe:2.3:o:ti:real-time_operating_system:-:*:*:*:*:*:*:*
- Range: 0
Patches
Vulnerability mechanics
References
2- www.cisa.gov/news-events/ics-advisories/icsa-21-119-04nvdThird Party AdvisoryUS Government Resource
- www.ti.com/tool/TI-RTOS-MCUnvdProduct
News mentions
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