Security Advisory

CVE-2025-27209

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2025-07-18 22:54:27

Last updated 2025-11-04 21:09:46

Assigner hackerone

CVSS score 7.5

State PUBLISHED

Description

The V8 release used in Node.js v24.0.0 has changed how string hashes are computed using rapidhash. This implementation re-introduces the HashDoS vulnerability as an attacker who can control the strings to be hashed can generate many hash collisions - an attacker can generate collisions even without knowing the hash-seed. * This vulnerability affects Node.js v24.x users.

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