CVE-2021-38435: Rti Connext Professional

Critical severity, CVSS 9.8. EPSS: 1.4% chance of exploitation in the next 30 days.

RTI Connext DDS Professional and Connext DDS Secure Versions 4.2x to 6.1.0 not correctly calculate the size when allocating the buffer, which may result in a buffer overflow.

Affected products

• Rti Connext Professional: from 4.2, before 6.1.0 (fixed in 6.1.0)
• Rti Connext Secure: from 4.2, before 6.1.0 (fixed in 6.1.0)

Published 2022-05-05. Last modified 2026-06-17.