Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2021-23567 Details

Description

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by a maintainer of colors to make the package unusable, other maintainers' controls over this package appear to have been revoked in an attempt to prevent them from fixing the issue.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

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CNA: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
https://github.com/Marak/colors.js/commit/074a0f8ed0c31c35d13d28632bd8a049ff136fb6%23diff-92bbac9a308cd5fcf9db165841f2d90ce981baddcb2b1e26cfff170929af3bd1R18	CVE	PatchThird Party Advisory
https://github.com/Marak/colors.js/issues/285	CVE	ExploitIssue TrackingThird Party Advisory
https://github.com/Marak/colors.js/issues/285%23issuecomment-1008212640	CVE	ExploitIssue TrackingThird Party Advisory
https://snyk.io/blog/open-source-maintainer-pulls-the-plug-on-npm-packages-colors-and-faker-now-what/	CVE	ExploitMitigationThird Party Advisory
https://snyk.io/vuln/SNYK-JS-COLORS-2331906	CVE	ExploitThird Party Advisory
https://github.com/Marak/colors.js/commit/074a0f8ed0c31c35d13d28632bd8a049ff136fb6%23diff-92bbac9a308cd5fcf9db165841f2d90ce981baddcb2b1e26cfff170929af3bd1R18	[email protected]	PatchThird Party Advisory
https://github.com/Marak/colors.js/issues/285	[email protected]	ExploitIssue TrackingThird Party Advisory
https://github.com/Marak/colors.js/issues/285%23issuecomment-1008212640	[email protected]	ExploitIssue TrackingThird Party Advisory
https://snyk.io/blog/open-source-maintainer-pulls-the-plug-on-npm-packages-colors-and-faker-now-what/	[email protected]	ExploitMitigationThird Party Advisory
https://snyk.io/vuln/SNYK-JS-COLORS-2331906	[email protected]	ExploitThird Party Advisory

see all 10 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-835	Loop with Unreachable Exit Condition ('Infinite Loop')	[email protected]

Affected Products

Product	Versions
colors.js project colors.js	1.4.1 1.4.44-liberty-2
CPE cpe:2.3:a:colors.js_project:colors.js:1.4.1:::::node.js:: cpe:2.3:a:colors.js_project:colors.js:1.4.44-liberty-2:::::node.js:: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jan 21, 2022	Initial Analysis	[email protected]
Jan 14, 2022	CVE Modified	[email protected]