CVE-2026-41434 | OP-TEE is a Trusted Execution Environment (TEE) designed as … | CVSS 3.3 LOW

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.

Metadata

CVE ID: CVE-2026-41434
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2026-04-20 15:32 UTC
Published: 2026-07-06 17:24 UTC
Last updated: 2026-07-07 15:06 UTC
Primary CWE: CWE-121
CWE-121: Stack-based Buffer Overflow
Vendor / Product: OP-TEE / optee_os
Sources: cve.org · NVD

Severity & Metrics

3.3 LOW CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

SSVC — CISA Coordinator

Exploitation: none
Automatable: no
Tech. Impact: partial

Affected products (1)

Vendor	Product	Platform	Versions
OP-TEE	optee_os	—	>= 3.10.0, < 4.11.0

Weakness (CWE)

CWE	Source	Description
CWE-121	cna	CWE-121: Stack-based Buffer Overflow

CVSS scores (1)

Score	Severity	Version	Source	Vector
3.3	LOW	3.1	cna	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

References (1)

https://github.com/OP-TEE/optee_os/security/advisories/GHSA-wh38-23ff-grff https://github.com/OP-TEE/optee_os/security/advisories/GHSA-wh38-23ff-grff