High

node-opcua DoS vulnerability via message with memory allocation that exceeds v8's memory limit

  • Disclosed: 24.08.2022
  • Updated: 11.10.2026 10:22

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 software

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PlatformPackageVulnerable versionsFixed in
npm package node-opcua < 2.74.0 2.74.0

References

CVSS score 7.5/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE)
CWE-770
Platform
npm
Package
node-opcua
Disclosed
24.08.2022
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-qpgc-xh7j-52q8 - CC BY 4.0

Vulnerability history: node-opcua

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
6
First → latest
08.2022 09.2026
Without a fix
1
Exploited in attacks
0

Severity breakdown

  • High 6

Disclosures per year

  1. 2022: 3
  2. 2023: 0
  3. 2024: 0
  4. 2025: 0
  5. 2026: 3
  1. node-opcua DoS vulnerability via message with memory allocation that exceeds v8's memory limit this entry
    High · 7.5 CVE-2022-25231 < 2.74.0 2.74.0
  2. High · 7.5 CVE-2022-21208 < 2.74.0 2.74.0

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