{"cvss":5.9,"datePublished":"2026-08-04T01:16:20.123","dateUpdated":"2026-10-23T23:10:00.157","description":"A flaw in Node.js can cause dns.resolveAny() Aborts the Node.js Process When a DNS Response Contains More Than 256 A Records.\r\n\r\nRepeated triggering of this condition can lead to denial of service.\r\n\r\nThis vulnerability affects Node.js **26.x**, **24.x**, and **22.x**.","id":"CVE-2026-58042","raw":{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"node","vendor":"nodejs","versions":[{"lessThanOrEqual":"26.5.0","status":"affected","version":"26.5.0","versionType":"semver"},{"lessThanOrEqual":"24.18.0","status":"affected","version":"24.18.0","versionType":"semver"},{"lessThanOrEqual":"22.23.1","status":"affected","version":"22.23.1","versionType":"semver"}]}],"source":"support@hackerone.com"}],"cveTags":[],"descriptions":[{"lang":"en","value":"A flaw in Node.js can cause dns.resolveAny() Aborts the Node.js Process When a DNS Response Contains More Than 256 A Records.\r\n\r\nRepeated triggering of this condition can lead to denial of service.\r\n\r\nThis vulnerability affects Node.js **26.x**, **24.x**, and **22.x**."},{"lang":"es","value":"Un fallo en Node.js puede causar que dns.resolveAny() aborte el proceso de Node.js cuando una respuesta DNS contiene más de 256 registros A.\n\nEl desencadenamiento repetido de esta condición puede llevar a una denegación de servicio.\n\nEsta vulnerabilidad afecta a Node.js 26.x, 24.x, y 22.x."}],"id":"CVE-2026-58042","lastModified":"2026-10-23T23:10:00.157","metrics":{"cvssMetricV30":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.0"},"exploitabilityScore":2.2,"impactScore":3.6,"source":"support@hackerone.com","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-58042","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-08-04T14:19:36.224340Z","version":"2.0.3"}}]},"published":"2026-08-04T01:16:20.123","references":[{"source":"support@hackerone.com","url":"https://nodejs.org/en/blog/vulnerability/july-2026-security-releases"}],"sourceIdentifier":"support@hackerone.com","vulnStatus":"Awaiting Analysis","weaknesses":[{"description":[{"lang":"en","value":"CWE-400"}],"source":"support@hackerone.com","type":"Secondary"}]},"severity":"MEDIUM","source":"nvd","title":"A flaw in Node.js can cause dns.resolveAny() Aborts the Node.js Process When a DNS Response Contains More Than 256 A ..."}