{"id":"CVE-2026-41434","summary":"OP-TEE has unbounded recursion in  sanitize_client_object()","details":"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.","aliases":["GHSA-wh38-23ff-grff"],"modified":"2026-10-28T02:30:28.363367766Z","published":"2026-07-06T17:24:40.881Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41434.json","cna_assigner":"GitHub_M","cwe_ids":["CWE-121"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/41xxx/CVE-2026-41434.json"},{"type":"ADVISORY","url":"https://github.com/OP-TEE/optee_os/security/advisories/GHSA-wh38-23ff-grff"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-41434"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/op-tee/optee_os","events":[{"introduced":"d1c635434c55b7d75eadf471bde04926bd1e50a7"},{"fixed":"f54190f22611dd5ad5d22546fd4209aa100f56bd"}],"database_specific":{"extracted_events":[{"strategy":"StringRangeExpression","range":[{"introduced":"3.10.0"},{"fixed":"4.11.0"}],"source":"AFFECTED_FIELD"}]}}],"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"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"}]}