Vulnerability library
Security checkJanuary 09, 2023

Regular Expression Denial of Service - nwmatcher

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

Medium severitynpmnwmatcher

Check your website

Find this and other vulnerabilities with a free scan.

Your scan runs on your computer. No account required.

Description

A Regular Expression vulnerability was found in nwmatcher before 1.4.4. The fix replacing multiple repeated instances of the “\s*” pattern.

Recommendation

Update the nwmatcher package to the latest compatible version. Followings are version details:

  • Affected version(s): < 1.4.4
  • Patched version(s): 1.4.4

References

Could your website be exposed too?

SmartScanner can check your website for Regular Expression Denial of Service - nwmatcher and gives you actionable findings to investigate.

Start a free scan

Related Issues

You might also like:

How to Secure your NodeJs Express Javascript Application - part 1

How to Secure your NodeJs Express Javascript Application - part 2

10 Secure Coding Best Practices to Follow in Every Project

See something that needs correcting? Let us knowUpdated January 09, 2023