{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46597","assignerOrgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","state":"PUBLISHED","assignerShortName":"Go","dateReserved":"2026-05-15T17:35:00.813Z","datePublished":"2026-05-22T02:31:26.754Z","dateUpdated":"2026-05-22T14:08:27.674Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","shortName":"Go","dateUpdated":"2026-05-22T02:31:26.754Z"},"title":"Invoking  byte arithmetic causes underflow and panic in golang.org/x/crypto/ssh","descriptions":[{"lang":"en","value":"An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs."}],"affected":[{"vendor":"golang.org/x/crypto","product":"golang.org/x/crypto/ssh","collectionURL":"https://pkg.go.dev","packageName":"golang.org/x/crypto/ssh","versions":[{"version":"0","lessThan":"0.52.0","status":"affected","versionType":"semver"}],"programRoutines":[{"name":"gcmCipher.readCipherPacket"},{"name":"Dial"},{"name":"NewClientConn"},{"name":"NewServerConn"},{"name":"curve25519sha256.Client"},{"name":"curve25519sha256.Server"},{"name":"dhGEXSHA.Client"},{"name":"dhGEXSHA.Server"},{"name":"dhGroup.Client"},{"name":"dhGroup.Server"},{"name":"ecdh.Client"},{"name":"ecdh.Server"},{"name":"mlkem768WithCurve25519sha256.Client"},{"name":"mlkem768WithCurve25519sha256.Server"}],"defaultStatus":"unaffected"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-191: Integer Underflow (Wrap or Wraparound)"}]}],"references":[{"url":"https://go.dev/issue/79561"},{"url":"https://groups.google.com/g/golang-announce/c/a082jnz-LvI"},{"url":"https://go.dev/cl/781620"},{"url":"https://pkg.go.dev/vuln/GO-2026-5013"}],"credits":[{"lang":"en","value":"Maciej Kawka"}]},"adp":[{"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":"2026-05-22T14:08:24.589026Z","id":"CVE-2026-46597","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":"2026-05-22T14:08:27.674Z"}}]}}