CVE-2025-27209

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://nodejs.org/en/blog/vulnerability/july-2025-security-releases", "name": "https://nodejs.org/en/blog/vulnerability/july-2025-security-releases", "tags": [], "refsource": ""}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "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.\r\n\r\n* This vulnerability affects Node.js v24.x users."}]}, "problemtype": {"problemtype_data": [{"description": []}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2025-27209", "ASSIGNER": "support@hackerone.com"}}, "impact": {}, "publishedDate": "2025-07-18T23:15Z", "configurations": {"nodes": [], "CVE_data_version": "4.0"}, "lastModifiedDate": "2025-07-21T19:15Z"}