CVE-2026-45799

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{"affected": [{"affectedData": [{"product": "wire", "vendor": "square", "versions": [{"status": "affected", "version": "< 6.3.0"}, {"status": "affected", "version": ">= 7.0.0-alpha01, < 7.0.0-alpha03"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:squareup:wire:*:*:*:*:*:*:*:*", "matchCriteriaId": "F96A71D0-34CA-41EF-AD9B-6AE7A077FABE", "versionEndExcluding": "6.3.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:squareup:wire:7.0.0:alpha01:*:*:*:*:*:*", "matchCriteriaId": "5147D638-F2E2-46D8-B4AB-3CA75DDA7521", "vulnerable": true}, {"criteria": "cpe:2.3:a:squareup:wire:7.0.0:alpha02:*:*:*:*:*:*", "matchCriteriaId": "83728E5D-61B7-4D17-A74B-D9B8577B29AD", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Wire provides gRPC and protocol buffers for Android, Kotlin, Swift, and Java. Prior to 6.3.0 and 7.0.0-alpha03, ByteArrayProtoReader32.skipGroup() and ProtoReader.skipGroup() in wire-runtime do not validate that a LENGTH_DELIMITED field length is non-negative before skip(), allowing a crafted protobuf varint encoding -128 as a signed Int to make skip(-128) move the internal position negative and make the next readByte() throw ArrayIndexOutOfBoundsException instead of the documented IOException or ProtocolException, which can crash services using ProtoAdapter.decode(byte[]) on untrusted payloads. This issue is fixed in versions 6.3.0 and 7.0.0-alpha03."}, {"lang": "es", "value": "Wire proporciona gRPC y b\u00faferes de protocolo para Android, Kotlin, Swift y Java. Antes de las versiones 6.3.0 y 7.0.0-alpha03, ByteArrayProtoReader32.skipGroup() y ProtoReader.skipGroup() en wire-runtime no validan que la longitud de un campo LENGTH_DELIMITED sea no negativa antes de skip(), permitiendo que una codificaci\u00f3n varint de protobuf manipulada que representa -128 como un Int con signo haga que skip(-128) mueva la posici\u00f3n interna a un valor negativo y haga que la siguiente llamada a readByte() lance una ArrayIndexOutOfBoundsException en lugar de la IOException o ProtocolException documentada, lo que puede provocar la ca\u00edda de servicios que utilizan ProtoAdapter.decode(byte[]) con cargas \u00fatiles no confiables. Este problema est\u00e1 solucionado en las versiones 6.3.0 y 7.0.0-alpha03."}], "id": "CVE-2026-45799", "lastModified": "2026-10-24T20:10:00.137", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-45799", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-20T13:51:12.411548Z", "version": "2.0.3"}}]}, "published": "2026-07-17T20:17:18.393", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/square/wire/commit/47d5b0dba53935d5332cd41a80a353b3fc90e7b0"}, {"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/square/wire/commit/e4e56fab38a547d9625f05c97f1d8f0bcc3a5773"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking"], "url": "https://github.com/square/wire/pull/3595"}, {"source": "security-advisories@github.com", "tags": ["Issue Tracking"], "url": "https://github.com/square/wire/pull/3597"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/square/wire/releases/tag/6.3.0"}, {"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://github.com/square/wire/releases/tag/7.0.0-alpha03"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory", "Exploit"], "url": "https://github.com/square/wire/security/advisories/GHSA-7xpr-hc2w-34m9"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Vendor Advisory", "Exploit"], "url": "https://github.com/square/wire/security/advisories/GHSA-7xpr-hc2w-34m9"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-129"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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