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GHSA-4hr4-pjjh-2q2w: Uncontrolled Resource Consumption in node-opcua

The package node-opcua before 2.74.0 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.

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Uncontrolled Resource Consumption in node-opcua

High severity GitHub Reviewed Published Aug 24, 2022 • Updated Aug 30, 2022

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CVE-2022-21208: fix message chunk overflow detection · node-opcua/node-opcua@33ca3ba

The package node-opcua before 2.74.0 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.