CVE-2020-18734

HIGH 7.5CVE-2020-18734 · Published 23/08/2021 · updated 17/06/2026

In short

CVE-2020-18734 is a HIGH (CVSS 7.5) vulnerability affecting cyclone data distribution service (eclipse).
Chance of exploitation in the next 30 days (EPSS): 1.9%, higher than 79.3% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
cyclone data distribution service eclipse	`= 0.1.0`	No fix yet

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.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.