Memory Allocation with Excessive Size Value Affecting Open this link in a new tab package, versions [,1.4.368.58)

  • Attack Complexity


  • Availability


Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • snyk-id


  • published

    19 Jun 2022

  • disclosed

    17 Jun 2022

  • credit

    Uriya Yavnieli

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 Memory Allocation with Excessive Size Value. This vulnerability allows a malicious client to cause a server to trigger an out of memory exception with a carefully crafted message.