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opcua@0.98.13 vulnerabilities

Pure Python OPC-UA client and server library

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Direct Vulnerabilities

Known vulnerabilities in the opcua package. This does not include vulnerabilities belonging to this package’s dependencies.

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Vulnerability Vulnerable Version
  • H
Denial of Service (DoS)

Affected versions of this package are vulnerable to Denial of Service (DoS) due to a missing limitation on the number of received chunks - per single session or in total for all concurrent sessions.

An attacker can exploit this vulnerability by sending an unlimited number of huge chunks (e.g. 2GB each) without sending the Final closing chunk.

How to fix Denial of Service (DoS)?

There is no fixed version for opcua.

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