{"id":"CVE-2021-27429","aliases":["EUVD-2021-14183","GHSA-vg9c-4wfp-f67w"],"status":"published","title":"Texas Instruments TI-RTOS Integer Overflow or Wraparound","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.","severity":{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00276,"percentile":0.20211,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2023-11-20T19:00:19Z","modified":"2026-06-17T03:44:50Z","products":[{"vendor":"texas instruments","product":"cc32xx"},{"vendor":"texas instruments","product":"simplelink msp432e4xx"},{"vendor":"texas instruments","product":"simplelink-cc13xx"},{"vendor":"texas instruments","product":"simplelink-cc26xx"},{"vendor":"texas instruments","product":"simplelink-cc32xx"},{"vendor":"ti","product":"real-time_operating_system"},{"vendor":"ti","product":"simplelink_cc13xx_software_development_kit"},{"vendor":"ti","product":"simplelink_cc26xx_software_development_kit"},{"vendor":"ti","product":"simplelink_cc32xx_software_development_kit"},{"vendor":"ti","product":"simplelink_msp432e401y"},{"vendor":"ti","product":"simplelink_msp432e411y"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-21-119-04","tags":["x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://www.ti.com/tool/TI-RTOS-MCU","tags":["x_transferred","Product"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27429"},{"url":"https://github.com/advisories/GHSA-vg9c-4wfp-f67w"}],"sources":{"cve":[{"id":"CVE-2021-27429","title":"Texas Instruments TI-RTOS Integer Overflow or Wraparound","description":"\nTexas 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. \n\n","status":"published","published":"2023-11-20T19:00:19.757Z","modified":"2024-08-03T20:48:17.195Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:33:04.360272Z"}],"euvd":[{"id":"EUVD-2021-14183","description":"\nTexas 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. \n\n","status":"published","published":"2023-11-20T19:00:19Z","modified":"2024-08-03T20:48:17Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:24:49.368497Z"}],"ghsa":[{"id":"GHSA-vg9c-4wfp-f67w","title":"\nTexas Instruments TI-RTOS returns a valid pointer to a small buffer on extremely large values....","description":"\nTexas 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. \n\n","status":"published","published":"2023-11-20T21:31:02Z","modified":"2023-11-20T21:31:09Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:55:04.479575Z"}],"nvd":[{"id":"CVE-2021-27429","description":"\nTexas 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. \n\n","status":"published","published":"2023-11-20T19:15:08.357Z","modified":"2026-06-17T03:44:50.7Z","cvss":[{"version":"3.1","score":7.4,"vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:07:07.764332Z"}]}}