Vulnerability library
Security checkJanuary 30, 2023

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

Understand the exposure, see the recommended fix, and check whether your own website has related weaknesses.

High severitynpmnode-opcua

Check your website

Find this and other vulnerabilities with a free scan.

Your scan runs on your computer. No account required.

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.

Recommendation

Update the node-opcua package to the latest compatible version. Followings are version details:

  • Affected version(s): < 2.74.0
  • Patched version(s): 2.74.0

References

Could your website be exposed too?

SmartScanner can check your website for node-opcua DoS vulnerability via message with memory allocation that exceeds v8's memory limit and gives you actionable findings to investigate.

Start a free scan

Related Issues

You might also like:

CSRF, XXE, and 12 Other Security Acronyms Explained

Exploiting Server Version Disclosure

How do hackers hack websites?

See something that needs correcting? Let us knowUpdated January 30, 2023