kangax html-minifier REDoS vulnerability
A Regular Expression Denial of Service (ReDoS) flaw was found in kangax html-minifier 4.0.0 because of the reCustomIgnore regular expression.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | html-minifier | <= 4.0.0 | no fix |
References
- https://nvd.nist.gov/vuln/detail/CVE-2022-37620
- https://github.com/kangax/html-minifier/issues/1135
- https://github.com/kangax/html-minifier
- https://github.com/kangax/html-minifier/blob/51ce10f4daedb1de483ffbcccecc41be1c873da2/src/htmlminifier.js#L1338
- https://github.com/kangax/html-minifier/blob/51ce10f4daedb1de483ffbcccecc41be1c873da2/src/htmlminifier.js#L294
- https://security.snyk.io/vuln/SNYK-JS-HTMLMINIFIER-3091181
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-1333, CWE-400- Platform
- npm
- Package
html-minifier- Disclosed
- 31.10.2022
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-pfq8-rq6v-vf5m - CC BY 4.0
Vulnerability history: html-minifier
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
This is the only known vulnerability of this package.
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