Memory Allocation with Excessive Size Value in OPCFoundation.NetStandard.Opc.Ua.Core
A vulnerability was discovered in the OPC UA .NET Standard Stack that allows a malicious client to cause a server to trigger an out of memory exception with a carefully crafted message.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | OPCFoundation.NetStandard.Opc.Ua.Core | < 1.4.368.58 | 1.4.368.58 |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-789- Platform
- .NET (NuGet)
- Package
OPCFoundation.NetStandard.Opc.Ua.Core- Disclosed
- 17.06.2022
- Updated
- 11.10.2026 11:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-r7pq-3x6p-7jcm - CC BY 4.0
Vulnerability history: OPCFoundation.NetStandard.Opc.Ua.Core
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 11
- First → latest
- 11.2021 03.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 7
- Medium 4
Disclosures per year
- 2021: 1
- 2022: 5
- 2023: 1
- 2024: 3
- 2025: 1
- 2026: 0
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Memory Allocation with Excessive Size Value in OPCFoundation.NetStandard.Opc.Ua.Core this entry
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