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CVE-2019-1010266: Regular Expression Denial of Service (ReDoS) in lodash

July 19, 2019 (updated August 12, 2025)

lodash prior to 4.7.11 is affected by: CWE-400: Uncontrolled Resource Consumption. The impact is: Denial of service. The component is: Date handler. The attack vector is: Attacker provides very long strings, which the library attempts to match using a regular expression. The fixed version is: 4.7.11.

References

  • github.com/advisories/GHSA-x5rq-j2xg-h7qm
  • github.com/lodash/lodash/commit/5c08f18d365b64063bfbfa686cbb97cdd6267347
  • github.com/lodash/lodash/issues/3359
  • github.com/lodash/lodash/wiki/Changelog
  • github.com/rubysec/ruby-advisory-db/blob/master/gems/lodash-rails/CVE-2019-1010266.yml
  • nvd.nist.gov/vuln/detail/CVE-2019-1010266
  • security.netapp.com/advisory/ntap-20190919-0004
  • snyk.io/vuln/SNYK-JS-LODASH-73639

Code Behaviors & Features

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Affected versions

All versions before 4.17.11

Fixed versions

  • 4.17.11

Solution

Upgrade to version 4.17.11 or above.

Impact 6.5 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-400: Uncontrolled Resource Consumption

Source file

gem/lodash-rails/CVE-2019-1010266.yml

Spotted a mistake? Edit the file on GitLab.

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