OP-TEE has unbounded recursion in sanitize_client_object()

{
  "id": "431a65eb65edc23e8bde4d2a2140cac0646e702f6e289c28cb2e2409d627922d",
  "url": "https://osv.dev/vulnerability/CVE-2026-41434",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "OP-TEE has unbounded recursion in sanitize_client_object()",
    "summary": "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.",
    "evidence": "osv:CVE-2026-41434",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2026-41434",
      "aliases": [
        "CVE-2026-41434",
        "GHSA-wh38-23ff-grff"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/op-tee/optee_os",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d1c635434c55b7d75eadf471bde04926bd1e50a7"
                },
                {
                  "fixed": "f54190f22611dd5ad5d22546fd4209aa100f56bd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "3.10.0"
                      },
                      {
                        "fixed": "4.11.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StringRangeExpression"
                  }
                ]
              }
            }
          ],
          "versions": [
            "4.11.0-rc1",
            "4.10.0",
            "4.10.0-rc1",
            "4.9.0",
            "4.9.0-rc1",
            "4.8.0",
            "4.8.0-rc1",
            "4.7.0",
            "4.7.0-rc1",
            "4.6.0",
            "4.6.0-rc1",
            "4.5.0",
            "4.5.0-rc1",
            "4.4.0",
            "4.4.0-rc1",
            "4.3.0",
            "4.3.0-rc1",
            "4.2.0",
            "4.2.0-rc1",
            "4.1.0",
            "4.1.0-rc1",
            "4.0.0",
            "4.0.0-rc1",
            "3.22.0",
            "3.22.0-rc1",
            "3.21.0",
            "3.21.0-rc1",
            "3.20.0",
            "3.20.0-rc1",
            "3.19.0",
            "3.19.0-rc1",
            "3.18.0",
            "3.18.0-rc1",
            "3.17.0",
            "3.17.0-rc1",
            "3.16.0",
            "3.15.0",
            "3.15.0-rc1",
            "3.14.0",
            "3.14.0-rc1",
            "3.13.0",
            "3.13.0-rc1",
            "3.12.0",
            "3.12.0-rc1",
            "3.11.0",
            "3.11.0-rc1",
            "3.10.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-41434.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.363367766Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41434.json",
        "https://github.com/OP-TEE/optee_os/security/advisories/GHSA-wh38-23ff-grff",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-41434"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-121"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41434.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-41434",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 495321,
  "published_at": "2026-07-06T17:24:40.881+00:00"
}