CVE-2020-18734: Eclipse Cyclone Data Distribution Service

High severity, CVSS 7.5. EPSS: 1.9% chance of exploitation in the next 30 days.

A stack buffer overflow in /ddsi/q_bitset.h of Eclipse IOT Cyclone DDS Project v0.1.0 causes the DDS subscriber server to crash.

Affected products

• Eclipse Cyclone Data Distribution Service: version 0.1.0 only

Published 2021-08-23. Last modified 2026-06-17.