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CVE-2026-41434

OP-TEE has unbounded recursion in sanitize_client_object()

Published: Jul 6, 2026Updated: Jul 7, 2026 Sources: CVE List NVDCWE-121
3.3LOW
NVD MITRE
EPSS Score
0.1%
Top 98.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:NI:NA:L
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:LAvailability
Low
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Weaknesses

CWE-121

Affected Products

trustedfirmware
commercialaka trusted firmware-a, mbed tls, op-tee
op-teeOn-prem
Security Products / pki-crypto
OP-TEE
oss-projectaka optee, op-tee os
optee_osEmbedded
Operating Systems / rtos-embedded-os

Exploitability

Official Patch Available

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

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

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