CVE-2022-24381: Asneg Opc Ua Stack

High severity, CVSS 7.5. EPSS: 0.9% chance of exploitation in the next 30 days.

All versions of package asneg/opcuastack 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.

Affected products

• Asneg Opc Ua Stack: any version

Published 2022-08-23. Last modified 2026-06-17.