CVE-2021-31663: Riot-OS Riot

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

RIOT-OS 2021.01 before commit bc59d60be60dfc0a05def57d74985371e4f22d79 contains a buffer overflow which could allow attackers to obtain sensitive information.

Affected products

• Riot-OS Riot: version 2021.01 only

Published 2021-06-18. Last modified 2026-06-17.