Read the docs
TI-2021-06165 Aliases CVE-2021-23567GHSA-gh88-3pxp-6fm8

Denial of service (DoS) in colors

Priority LOW 36CWE-835Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-835.

Summary

The package colors after 1.4.0 are vulnerable to Denial of Service (DoS) that was introduced through an infinite loop in the americanFlag module. Unfortunately this appears to have been a purposeful attempt by a maintainer of colors to make the package unusable, other maintainers' controls over this package appear to have been revoked in an attempt to prevent them from fixing the issue. Vulnerable Code js for (let i = 666; i < Infinity; i++;) { Alternative Remediation Suggested * Pin dependancy to 1.4.0

Why it matters now

EPSS 0.0179 78th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—colorsnext of 1.4.0 and later—No fix listedCNA
—colors (npm)1.4.1 and later—No fix listedGHSA-gh88-3pxp-6fm8
  • colors Vendor— Affected next of 1.4.0 and later Fixed in — No fix listed CNA
  • colors (npm) Vendor— Affected 1.4.1 and later Fixed in — No fix listed GHSA-gh88-3pxp-6fm8

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:colors.js_project:colors.js:1.4.1:*:*:*:*:node.js:*:*1.4.1VulnerableColors.js Project
cpe:2.3:a:colors.js_project:colors.js:1.4.44-liberty-2:*:*:*:*:node.js:*:*1.4.44-liberty-2VulnerableColors.js Project
  • cpe:2.3:a:colors.js_project:colors.js:1.4.1:*:*:*:*:node.js:*:* Versions 1.4.1 Vulnerable ·Colors.js Project
  • cpe:2.3:a:colors.js_project:colors.js:1.4.44-liberty-2:*:*:*:*:node.js:*:* Versions 1.4.44-liberty-2 Vulnerable ·Colors.js Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-23567
  2. 2026-10-03 Alias added: GHSA-gh88-3pxp-6fm8

References

Exploit 2

Patch 1

Advisory 1

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences