CVE-2026-46597

An incorrectly placed cast from bytes to int allowed for server-side panic in the AES-GCM packet decoder for well-crafted inputs.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://go.dev/cl/781620	Issue Tracking
https://go.dev/issue/79561	Issue Tracking
https://groups.google.com/g/golang-announce/c/a082jnz-LvI	Mailing List
https://pkg.go.dev/vuln/GO-2026-5013	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:golang:crypto:*:*:*:*:*:go:*:*

History

No history.

Information

Published : 2026-05-22 04:16

Updated : 2026-07-23 16:10

NVD link : CVE-2026-46597

Mitre link : CVE-2026-46597

CVE.ORG link : CVE-2026-46597

JSON object : View

Products Affected

golang

crypto

CWE

CWE-704

Incorrect Type Conversion or Cast

{"id": "CVE-2026-46597", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-46597", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-22T14:08:24.589026Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"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"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@golang.org", "affectedData": [{"vendor": "golang.org/x/crypto", "product": "golang.org/x/crypto/ssh", "versions": [{"status": "affected", "version": "0", "lessThan": "0.52.0", "versionType": "semver"}], "packageName": "golang.org/x/crypto/ssh", "collectionURL": "https://pkg.go.dev", "defaultStatus": "unaffected", "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"}]}]}], "published": "2026-05-22T04:16:26.003", "references": [{"url": "https://go.dev/cl/781620", "tags": ["Issue Tracking"], "source": "security@golang.org"}, {"url": "https://go.dev/issue/79561", "tags": ["Issue Tracking"], "source": "security@golang.org"}, {"url": "https://groups.google.com/g/golang-announce/c/a082jnz-LvI", "tags": ["Mailing List"], "source": "security@golang.org"}, {"url": "https://pkg.go.dev/vuln/GO-2026-5013", "tags": ["Vendor Advisory"], "source": "security@golang.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-704"}]}], "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."}, {"lang": "es", "value": "Una conversi\u00f3n de tipo (cast) incorrectamente ubicada de bytes a int permiti\u00f3 un p\u00e1nico del lado del servidor en el decodificador de paquetes AES-GCM para entradas bien elaboradas."}], "lastModified": "2026-07-23T16:10:00.137", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:golang:crypto:*:*:*:*:*:go:*:*", "vulnerable": true, "matchCriteriaId": "D540395B-31B8-4B07-8F79-F5C631BBD5C8", "versionEndExcluding": "0.52.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@golang.org"}