Uncontrolled Resource Consumption Affecting opcfoundation.netstandard.opc.ua Open this link in a new tab package, versions [,1.4.368.58)

  • Attack Complexity


  • Availability


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  • snyk-id


  • published

    19 Jun 2022

  • disclosed

    17 Jun 2022

  • credit

    Vera Mens, Uri Katz, Sharon Brizinov

How to fix?

Upgrade OPCFoundation.NetStandard.Opc.Ua to version 1.4.368.58 or higher.


OPCFoundation.NetStandard.Opc.Ua is a package that contains the OPC UA reference implementation and is targeting the .NET Standard Library.

Affected versions of this package are vulnerable to Uncontrolled Resource Consumption. This vulnerability allows a malicious client to cause a server to trigger an out of memory exception by sending a large number of message chunks.