{"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": "2026-07-23T15:00:35.473Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "shortName": "Go", "dateUpdated": "2026-07-21T19:18:59.755Z"}, "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": "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://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"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "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": {"id": "CVE-2026-46600", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-07-23T15:00:27.171241Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-23T15:00:16.150Z"}}], "cna": {"title": "Parsing an invalid SVCB or HTTPS RR can panic in golang.org/x/net/dns/dnsmessage", "credits": [{"lang": "en", "value": "Mundur (https://github.com/M0nd0R)"}], "affected": [{"vendor": "golang.org/x/net", "product": "golang.org/x/net/dns/dnsmessage", "versions": [{"status": "affected", "version": "0", "lessThan": "0.56.0", "versionType": "semver"}], "packageName": "golang.org/x/net/dns/dnsmessage", "collectionURL": "https://pkg.go.dev", "defaultStatus": "unaffected", "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"}]}], "references": [{"url": "https://go.dev/cl/786345"}, {"url": "https://go.dev/issue/79795"}, {"url": "https://pkg.go.dev/vuln/GO-2026-5942"}], "descriptions": [{"lang": "en", "value": "Parsing an invalid SVCB or HTTPS RR can panic when the size of a parameter value overflows the message buffer."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-125: Out-of-bounds Read"}]}], "providerMetadata": {"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "shortName": "Go", "dateUpdated": "2026-07-21T19:18:59.755Z"}}}, "cveMetadata": {"cveId": "CVE-2026-46600", "state": "PUBLISHED", "dateUpdated": "2026-07-23T15:00:35.473Z", "dateReserved": "2026-05-15T17:35:00.814Z", "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "datePublished": "2026-07-21T19:18:59.755Z", "assignerShortName": "Go"}, "dataVersion": "5.2"}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.56.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "golang.org/x/net/dns/dnsmessage", "source": "cna", "vendor": "golang.org/x/net"}, "product": "net", "vendor": "golang"}], "created": "2026-07-23T21:12:47.655855+00:00", "updated": "2026-07-23T21:12:47.655907+00:00", "vendors": ["golang", "golang$PRODUCT$net"]}