CVE-2026-53763

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{"affected": [{"affectedData": [{"product": "optee_os", "vendor": "OP-TEE", "versions": [{"status": "affected", "version": ">= 3.0.0, < 4.11.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:trustedfirmware:op-tee:*:*:*:*:*:*:*:*", "matchCriteriaId": "388BEF1F-1613-4750-B978-8B551997EEB6", "versionEndIncluding": "4.10.0", "versionStartIncluding": "3.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.0.0 and prior to version 4.11.0, 32-bit integer overflows in OP-TEE core's AES-GCM implementation cause the authentication tag to be computed with incorrect bit-length values after processing more than 512 megabytes of payload or Additional Authenticated Data (AAD). Version 4.11.0 contains a patch. No known workarounds are available."}, {"lang": "es", "value": "OP-TEE es un Entorno de Ejecuci\u00f3n Confiable (TEE) dise\u00f1ado como compa\u00f1ero de un kernel de Linux no seguro ejecut\u00e1ndose en n\u00facleos Arm Cortex-A usando la tecnolog\u00eda TrustZone. A partir de la versi\u00f3n 3.0.0 y antes de la versi\u00f3n 4.11.0, los desbordamientos de enteros de 32 bits en la implementaci\u00f3n AES-GCM del n\u00facleo de OP-TEE causan que la etiqueta de autenticaci\u00f3n sea calculada con valores de longitud de bits incorrectos despu\u00e9s de procesar m\u00e1s de 512 megabytes de carga \u00fatil o Datos Autenticados Adicionales (AAD). La versi\u00f3n 4.11.0 contiene un parche. No hay soluciones alternativas conocidas disponibles."}], "id": "CVE-2026-53763", "lastModified": "2026-10-25T20:10:00.147", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 3.8, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N", "version": "3.0"}, "exploitabilityScore": 2.0, "impactScore": 1.4, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-53763", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-07T14:10:42.847861Z", "version": "2.0.3"}}]}, "published": "2026-07-06T20:16:37.327", "references": [{"source": "security-advisories@github.com", "tags": ["Vendor Advisory", "Patch"], "url": "https://github.com/OP-TEE/optee_os/security/advisories/GHSA-fcm8-vjhf-6vqh"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

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