CVE-2023-27321: Uncontrolled Resource Consumption in OPC UA .NET Standard Reference Server

May 5, 2023

This security update resolves a vulnerability in the OPC UA .NET Standard Reference Server that allows remote attackers to send malicious requests that consume all memory available to the server. https://files.opcfoundation.org/SecurityBulletins/OPC%20Foundation%20Security%20Bulletin%20CVE-2023-27321.pdf

References

github.com/OPCFoundation/UA-.NETStandard/security/advisories/GHSA-vpf7-r2fv-75m9
github.com/advisories/GHSA-vpf7-r2fv-75m9

Detect and mitigate CVE-2023-27321 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →