CVE-2026-41434

LOW

OP-TEE has unbounded recursion in sanitize_client_object()

Title source: cna
STIX 2.1

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 3.10.0 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.

References (1)

Core 1
Core References

Scores

CVSS v3 3.3
EPSS 0.0010
EPSS Percentile 1.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-121
Status published
Products (2)
OP-TEE/optee_os >= 3.10.0, < 4.11.0
trustedfirmware/op-tee 3.10.0 - 4.10.0
Published Jul 06, 2026
Tracked Since Jul 06, 2026