
CVE catalog
CVE-2026-41434
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 t
- Severity
- Medium · CVSS 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.15% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | op-tee | Not reported | Not reported | unknown |
| Debian | optee-os | 13 | 4.10.0-1 | vulnerable |
| Debian | optee-os | 13 | 4.10.0-2 | vulnerable |
| Debian | optee-os | 13 | 4.5.0-2 | vulnerable |
| Debian | optee-os | 13 | 4.7.0-1 | vulnerable |
| Debian | optee-os | 13 | 4.8.0-1 | vulnerable |
| Debian | optee-os | 13 | 4.9.0-1 | vulnerable |
| Cpe | op-tee | Not reported | Not reported | unknown |
Fixed-version evidence
OpenFactory catalog packages
[Debian 13 (Trixie)]
- [optee-os]Affected
Details (1)
4.5.0-2· arm64 · trixieAffected
nvd · optee-os · debian · 13
- [optee-os-dev]Affected
Source package: [optee-os]
Details (1)
4.5.0-2· arm64 · trixieAffected
nvd · optee-os · debian · 13
Observed:
References
- [https://github.com/OP-TEE/optee_os/security/advisories/GHSA-wh38-23ff-grff]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-41434]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-41434]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-41434.json]
[FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]