CVE-2026-21717

A flaw in V8's string hashing mechanism causes integer-like strings to be hashed to their numeric value, making hash collisions trivially predictable. By crafting a request that causes many such collisions in V8's internal string table, an attacker can significantly degrade performance of the...

Node.js 20.x < 20.19.4 / 22.x < 22.17.1 / 24.x < 24.4.1 Multiple Vulnerabilities (Tuesday, July 15, 2025 Security Releases).

The version of Node.js installed on the remote host is prior to 20.19.4, 22.17.1, 24.4.1. It is, therefore, affected by multiple vulnerabilities as referenced in the Tuesday, July 15, 2025 Security Releases advisory. - The V8 release used in Node.js v24.0.0 has changed how string hashes are...