What’s Vulnerable › Vulnerabilities

CVE-2021-23446: Regular Expression Denial of Service (ReDoS)

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-09-29 · updated 2026-06-17
• Weakness: CWE-1333

Description

The package handsontable before 10.0.0; the package handsontable from 0 and before 10.0.0 are vulnerable to Regular Expression Denial of Service (ReDoS) in Handsontable.helper.isNumeric function.

Affected products

• handsontable: before 10.0.0 — fixed in 10.0.0

How to fix

Upgrade to a fixed version: handsontable 10.0.0. Check the vendor advisory for mitigations.

References

• https://github.com/handsontable/handsontable/issues/8752
• https://github.com/handsontable/handsontable/pull/8742
• https://snyk.io/vuln/SNYK-DOTNET-HANDSONTABLE-1726793
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1726795
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWER-1726796
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSBOWERGITHUBHANDSONTABLE-1726794
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-1726797
• https://snyk.io/vuln/SNYK-JS-HANDSONTABLE-1726770
• https://github.com/handsontable/handsontable/issues/8752
• https://github.com/handsontable/handsontable/pull/8742
• https://snyk.io/vuln/SNYK-DOTNET-HANDSONTABLE-1726793
• https://snyk.io/vuln/SNYK-JAVA-ORGWEBJARS-1726795

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