GHSA-qm9f-c3v9-wphv: OPCFoundation.NetStandard.Opc.Ua.Core

Security Update for the OPC UA .NET Standard Stack

CVSS 7.5 High

Published by the GitHub Advisory Database at 18 Oct 2024, 20:04 UTC. agentprime has not analysed this yet, so whether it affects any app is not known.

Package	Ecosystem	Affected	Fixed in
OPCFoundation.NetStandard.Opc.Ua.Core	NuGet	<1.05.374.54	1.05.374.54
OPCFoundation.NetStandard.Opc.Ua	NuGet	<1.05.374.54	1.05.374.54

Identifiers

GHSA-qm9f-c3v9-wphv

Weakness (CWE)

CWE-770

Machine-written summary

Summary written by Claude Haiku from the source advisory. Not reviewed by a person.

The OPCFoundation.NetStandard.Opc.Ua.Core and OPCFoundation.NetStandard.Opc.Ua packages are vulnerable before version 1.05.374.54. An unauthorized attacker can trigger a rapid increase in memory consumption. Upgrade both packages to version 1.05.374.54 or later. The source gives few details about the attack conditions.

Written 9 Nov 2026.

Not analysed yet

We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
7.5	High	3.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	GitHub Advisory Database

CISA KEV Not listed.
EPSS No score.

Timeline

31 Oct 2026, 15:23 UTC First seen by agentprime
31 Oct 2026, 15:23 UTC Confirmed by OSV

Sources

Facts on this page come from the GitHub Advisory Database (CC-BY 4.0), OSV and the other sources listed, as published. We don’t reproduce full advisory descriptions, which can contain exploit code.