{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-32280","assignerOrgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","state":"PUBLISHED","assignerShortName":"Go","dateReserved":"2026-03-11T16:38:46.555Z","datePublished":"2026-04-08T01:06:58.595Z","dateUpdated":"2026-04-08T17:46:47.347Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","shortName":"Go","dateUpdated":"2026-04-08T01:06:58.595Z"},"title":"Unexpected work during chain building in crypto/x509","descriptions":[{"lang":"en","value":"During chain building, the amount of work that is done is not correctly limited when a large number of intermediate certificates are passed in VerifyOptions.Intermediates, which can lead to a denial of service. This affects both direct users of crypto/x509 and users of crypto/tls."}],"affected":[{"vendor":"Go standard library","product":"crypto/x509","collectionURL":"https://pkg.go.dev","packageName":"crypto/x509","versions":[{"version":"0","lessThan":"1.25.9","status":"affected","versionType":"semver"},{"version":"1.26.0-0","lessThan":"1.26.2","status":"affected","versionType":"semver"}],"programRoutines":[{"name":"Certificate.buildChains"},{"name":"Certificate.Verify"}],"defaultStatus":"unaffected"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-770: Allocation of Resources Without Limits or Throttling"}]}],"references":[{"url":"https://go.dev/cl/758320"},{"url":"https://go.dev/issue/78282"},{"url":"https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU"},{"url":"https://pkg.go.dev/vuln/GO-2026-4947"}],"credits":[{"lang":"en","value":"Jakub Ciolek - https://ciolek.dev"}]},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-770","lang":"en","description":"CWE-770 Allocation of Resources Without Limits or Throttling"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-04-08T17:46:14.569488Z","id":"CVE-2026-32280","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-08T17:46:47.347Z"}}]}}