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VULNERABILITIES

CVE-2026-53763 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:3.8 LOWVector:CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/OP-TEE/optee_os/security/advisories/GHSA-fcm8-vjhf-6vqh [email protected]Vendor AdvisoryPatch

Weakness Enumeration

CWE-IDCWE NameSource
CWE-190Integer Overflow or Wraparound[email protected]

Affected Products

ProductVersions
trustedfirmware op-tee
>= 3.0.0, <= 4.10.0

CPE

  • cpe:2.3:o:trustedfirmware:op-tee:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

3 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-53763
NVD Published Date:
Jul 6, 2026
NVD Last Modified:
Jul 7, 2026
Source:
[email protected]
CVE-2026-53763 Details - Not Deferred