What’s Vulnerable › Vulnerabilities

CVE-2022-25231: Denial of Service (DoS)

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-08-23 · updated 2026-06-17
• Weakness: CWE-770

Description

The package node-opcua before 2.74.0 are vulnerable to Denial of Service (DoS) by sending a specifically crafted OPC UA message with a special OPC UA NodeID, when the requested memory allocation exceeds the v8’s memory limit.

Affected products

• node-opcua: before 2.74.0 — fixed in 2.74.0

How to fix

Upgrade to a fixed version: node-opcua 2.74.0. Check the vendor advisory for mitigations.

References

• https://github.com/node-opcua/node-opcua/commit/7b5044b3f5866fbedc3efabd05e407352c07bd2f
• https://github.com/node-opcua/node-opcua/pull/1182
• https://security.snyk.io/vuln/SNYK-JS-NODEOPCUA-2988724
• https://github.com/node-opcua/node-opcua/commit/7b5044b3f5866fbedc3efabd05e407352c07bd2f
• https://github.com/node-opcua/node-opcua/pull/1182
• https://security.snyk.io/vuln/SNYK-JS-NODEOPCUA-2988724

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