CVE-2026-41434
OP-TEE has unbounded recursion in sanitize_client_object()
CVSS Score
3.3
EPSS Score
0.1%
EPSS Percentile
1th
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 3.10.0 and prior to version 4.11.0, an unbounded recursion can crash the PKCS#11 TA. Version 4.11.0 contains a patch. No known workarounds are available.
| CWE | CWE-121 |
| Vendor | op-tee |
| Product | optee_os |
| Published | Jul 6, 2026 |
| Last Updated | Jul 7, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Affected Versions
OP-TEE / optee_os
>= 3.10.0, < 4.11.0