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CVE-2025-27209

HIGH CVSS: 7.5 Published: 2025-07-18 Modified: 2026-06-17

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.

Affected Platforms

Unknown

Weakness Type

CWE-407

References