CVE-2021-22684: Samsung Tizenrt

High severity, CVSS 7.5. EPSS: 1.1% chance of exploitation in the next 30 days.

Tizen RT RTOS version 3.0.GBB is vulnerable to integer wrap-around in functions_calloc and mm_zalloc. This improper memory assignment can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash

Affected products

• Samsung Tizenrt: up to and including 3.0

Published 2021-08-31. Last modified 2026-06-17.