CVE-2022-39823: Softing Opc

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

An issue was discovered in Softing OPC UA C++ SDK 5.66 through 6.x before 6.10. An OPC/UA browse request exceeding the server limit on continuation points may cause a use-after-free error

Affected products

• Softing Opc: from 5.20, up to and including 5.22
• Softing Opc Ua C++ Software Development Kit: from 5.70, up to and including 6.00

Published 2022-10-20. Last modified 2026-06-17.