CVE-2021-40892

Name: CVE-2021-40892
Creator: NVD / NIST
Published: 2022-06-24T14:15:07.7+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 1.09%

Last modified Jun 17, 2026

CVE-2021-40892 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in validate-color v2.1.0 when handling crafted invalid rgb(a) strings.. EPSS estimates a 1.09% chance of exploitation in the next 30 days.

Description

A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in validate-color v2.1.0 when handling crafted invalid rgb(a) strings.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

1.09%

61.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1333

Affected Software

Vendor	Product	Versions
Validate Color Project	Validate Color	2.1.0

References

https://github.com/yetingli/SaveResults/blob/main/js/validate-color.jsExploit, Third Party Advisory
https://github.com/yetingli/SaveResults/blob/main/js/validate-color.jsExploit, Third Party Advisory

Timeline

Published: Jun 24, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40892?

A Regular Expression Denial of Service (ReDOS) vulnerability was discovered in validate-color v2.1.0 when handling crafted invalid rgb(a) strings.

How severe is CVE-2021-40892?

CVE-2021-40892 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.09% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40892?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40892?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST