🛡️ CVE-2026-41434 — op-tee

🟢 CVSS 3.3 — Low ✅ No Known Exploit CWE-121 NVD
3.3
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability low.

Weakness class

CVE-2026-41434 is classified as CWE-121: Stack-based Buffer Overflow. An oversized write to a stack buffer overwrites saved state such as return addresses, which can redirect execution.

Affected software

CVE-2026-41434 is recorded against 1 package.

  • op-tee (from 3.10.0 up to 4.10.0)

Timeline and source

Published on 6 July 2026 and last revised on 7 July 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

github.com

Details

Severity LOW
CVSS Score 3.3
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE CWE-121
Public Exploit ✅ No
Source NVD
Published 2026-07-06
Updated 2026-08-11
Modified 2026-07-07

Affected Packages

Software From version Fixed in
op-tee 3.10.0 4.10.0

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