{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46600","assignerOrgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","state":"PUBLISHED","assignerShortName":"Go","dateReserved":"2026-05-15T17:35:00.814Z","datePublished":"2026-07-21T19:18:59.755Z","dateUpdated":"2026-08-14T15:46:12.894Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","shortName":"Go","dateUpdated":"2026-08-14T15:46:12.894Z"},"title":"Parsing an invalid SVCB or HTTPS RR can panic in golang.org/x/net/dns/dnsmessage","descriptions":[{"lang":"en","value":"Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer."}],"affected":[{"vendor":"Go standard library","product":"net","collectionURL":"https://pkg.go.dev","packageName":"net","versions":[{"version":"1.26.0-0","lessThan":"1.26.6","status":"affected","versionType":"semver"},{"version":"1.27.0-0","lessThan":"1.27.0-rc.3","status":"affected","versionType":"semver"}],"programRoutines":[{"name":"cgoResSearch"},{"name":"LookupCNAME"},{"name":"Resolver.LookupCNAME"}],"defaultStatus":"unaffected"},{"vendor":"golang.org/x/net","product":"golang.org/x/net/dns/dnsmessage","collectionURL":"https://pkg.go.dev","packageName":"golang.org/x/net/dns/dnsmessage","versions":[{"version":"0","lessThan":"0.56.0","status":"affected","versionType":"semver"}],"programRoutines":[{"name":"unpackSVCBResource"},{"name":"Message.Unpack"},{"name":"Parser.Additional"},{"name":"Parser.AllAdditionals"},{"name":"Parser.AllAnswers"},{"name":"Parser.AllAuthorities"},{"name":"Parser.Answer"},{"name":"Parser.Authority"},{"name":"Parser.HTTPSResource"},{"name":"Parser.SVCBResource"}],"defaultStatus":"unaffected"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-125: Out-of-bounds Read"}]}],"references":[{"url":"https://go.dev/cl/786345"},{"url":"https://go.dev/issue/79795"},{"url":"https://groups.google.com/g/golang-announce/c/94pEornpRlI"},{"url":"https://pkg.go.dev/vuln/GO-2026-5942"}],"credits":[{"lang":"en","value":"Mundur (https://github.com/M0nd0R)"}]},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-125","lang":"en","description":"CWE-125 Out-of-bounds Read"}]}],"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":"2026-07-23T15:00:27.171241Z","id":"CVE-2026-46600","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":"2026-07-23T15:00:35.473Z"}}]}}