Regular Expression Denial of Service in string package
Affected versions of string are vulnerable to regular expression denial of service when specifically crafted untrusted user input is passed into the underscore or unescapeHTML methods.
Recommendation
There is currently no direct patch for this vulnerability.
Currently, the best solution is to avoid passing user input to the underscore and unescapeHTML methods.
Alternatively, a user provided patch is available in Pull Request #217, however this patch has not been tested, nor has it been merged by the package author.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | string | <= 3.3.3 | no fix |
References
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Weakness (CWE)
CWE-400- Platform
- npm
- Package
string- Disclosed
- 24.07.2018
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-g36h-6r4f-3mqp - CC BY 4.0
Vulnerability history: string
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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