CVE-2026-53763

Description

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.

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Produits concernés

• OP-TEE optee_os
• Trustedfirmware op-tee

Scores CVSS

Faiblesses (CWE)

• CWE-190

Références

• https://github.com/OP-TEE/optee_os/security/advisories/GHSA-fcm8-vjhf-6vqh Vendor AdvisoryPatch

Ailleurs

• NVD
• CVE.org
• CIRCL Vulnerability-Lookup
• CERT-FR
• GitHub Advisories