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Regular Expression Denial of Service in highcharts

highcharts Updated 02 Oct 2025

Summary

18/03/2019
CVE-2018-20801
Yes i
High
7.5

CVE-2018-20801: Regular Expression Denial of Service in highcharts. Affects highcharts versions < 6.1.0. Fixed in 6.1.0. How to fix ↓

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Versions of highcharts prior to 6.1.0 are vulnerable to Regular Expression Denial of Service (ReDoS). Untrusted input may cause catastrophic backtracking while matching regular expressions. This can cause the application to be unresponsive leading to Denial of Service.

Recommendation

Upgrade to version 6.1.0 or higher.

How To Fix

Minimum fixed version

6.1.0

This is the first release that contains the fix.

npm install highcharts@6.1.0

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Recent vulnerabilities recorded for highcharts.

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Sponsored Devnack Penetration testing for web, API and mobile Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

How To Fix

Minimum fixed version

6.1.0

This is the first release that contains the fix.

npm install highcharts@6.1.0

Tip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →

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