{"id":"CVE-2025-27209","state":"PUBLISHED","title":"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 ca","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.\r\n\r\n* This vulnerability affects Node.js v24.x users.","publishedAt":"2025-07-18T22:54:27.205Z","updatedAt":"2025-11-04T21:09:46.228Z","severity":{"score":7.5,"label":"High","version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"hackerone"},"assigner":"hackerone","products":["nodejs node"],"affected":[{"vendor":"nodejs","product":"node","defaultStatus":"unaffected","versions":[{"version":"24.0.0","status":"affected","lessThan":"24.4.1","versionType":"semver"}]}],"references":["https://nodejs.org/en/blog/vulnerability/july-2025-security-releases","http://www.openwall.com/lists/oss-security/2025/07/22/2"],"weaknesses":["CWE-407"],"ingestedAt":"2026-10-29T20:08:47.682Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/27xxx/CVE-2025-27209.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-27209","state":"PUBLISHED","datePublished":"2025-07-18T22:54:27.205Z","dateUpdated":"2025-11-04T21:09:46.228Z","assignerShortName":"hackerone","assignerOrgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateReserved":"2025-02-20T01:00:01.798Z"},"containers":{"cna":{"descriptions":[{"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."}],"affected":[{"vendor":"nodejs","product":"node","defaultStatus":"unaffected","versions":[{"version":"24.0.0","status":"affected","lessThan":"24.4.1","versionType":"semver"}]}],"references":[{"url":"https://nodejs.org/en/blog/vulnerability/july-2025-security-releases"}],"metrics":[{"cvssV3_0":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH"}}],"providerMetadata":{"shortName":"hackerone","orgId":"36234546-b8fa-4601-9d6f-f4e334aa8ea1","dateUpdated":"2025-07-18T22:54:27.205Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-07-21T17:14:28.794403Z","id":"CVE-2025-27209","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-407","type":"CWE","lang":"en","description":"CWE-407 Inefficient Algorithmic Complexity"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-07-21T18:38:55.180Z"}},{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2025/07/22/2"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-04T21:09:46.228Z"}}]}}}