Regular Expression Denial of Service in clean-css
Version of clean-css prior to 4.1.11 are vulnerable to Regular Expression Denial of Service (ReDoS). Untrusted input may cause catastrophic backtracking while matching regular expressions. This can cause the application to be unresponsive leading to Denial of Service.
Recommendation
Upgrade to version 4.1.11 or higher.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | clean-css | < 4.1.11 | 4.1.11 |
References
- Weakness (CWE)
CWE-1333- Platform
- npm
- Package
clean-css- Disclosed
- 05.06.2019
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-wxhq-pm8v-cw75 - CC BY 4.0
Vulnerability history: clean-css
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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