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Back to active CVEs
Low · CVSS 3.3CVE-2026-41434

OP-TEE has unbounded recursion in sanitize_client_object()CVE-2026-41434

Answer in brief

CVE-2026-41434 records a Low severity (CVSS 3.3) vulnerability in OP-TEE has unbounded recursion in sanitize_client_object(). The current sources do not mark it as known exploited. The current feed maps OP-TEE/optee_os (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Jul 6, 2026Updated Oct 25, 2026Source checked Nov 5, 2026First seen by HOL Jul 6, 2026Material review Oct 25, 2026
Upstream Advisory

Key facts

Risk
Low · CVSS 3.3
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

CVSS is 3.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps OP-TEE/optee_os (generic). Check affected ranges and fixed versions before updating.

Affected products and reported versions
ProductAffected versionsFixed versions
cpe:2.3:o:trustedfirmware:op-tee:*:*:*:*:*:*:*:*Not reportedNot reported
Mapped affected packages and fixed versions
PackageAffected rangeFixed version
OP-TEE/optee_osgeneric>=3.10.0 <4.11.04.11.0

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for OP-TEE/optee_os.
  2. 2Review the reported fix. Update OP-TEE/optee_os to 4.11.0 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Jul 6, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 25, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Jul 6, 2026

Sources and claim methodology

  • GitHub security advisorygithub.com
Upstream source 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.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-121
Source
CVE List V5
Source checked
Nov 5, 2026
References
1 linked source
Open source record