CVE-2024-33862: Opcfoundation Ua-.netstandard

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

A buffer-management vulnerability in OPC Foundation OPCFoundation.NetStandard.Opc.Ua.Core before 1.05.374.54 could allow remote attackers to exhaust memory resources. It is triggered when the system receives an excessive number of messages from a remote source. This could potentially lead to a denial of service (DoS) condition, disrupting the normal operation of the system.

Affected products

• Opcfoundation Ua-.netstandard: before 1.05.374.54 (fixed in 1.05.374.54)

Published 2024-07-05. Last modified 2026-06-17.