CVE-2021-31661: Riot-OS Riot

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

RIOT-OS 2021.01 before commit 609c9ada34da5546cffb632a98b7ba157c112658 contains a buffer overflow that 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.