OP-TEE vulnerabilities
We track 5 vulnerabilities in OP-TEE products. 5 are rated high or critical, and none are known to be exploited. The most recent was published on June 3, 2026.
Latest OP-TEE vulnerabilities
- 7.8 High severity
optee_os: Use After Free
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 3.16.0 and prior to 4.11.0, a user-after-free (UAF) race condition exists in t
- 7.5 High severity
optee_os: Integer Overflow or Wraparound
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. From 3.8.0 to 4.10, in the function emsa_pkcs1_v1_5_encode() in core/drivers/crypto/crypto_api/aci
- 8.7 High severity
optee_os: Out-of-bounds Read
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. In versions 3.13.0 through 4.10.0, missing checks in `entry_get_attribute_value()` in `ta/pkcs11/s
- 7.9 High severity
optee_os: Improper Handling of Exceptional Conditions
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. In version 4.5.0, using a specially crafted tee-supplicant binary running in REE userspace, an att
- 8.8 High severity
optee_os: Improper Validation of Array Index
OP-TEE Trusted OS is the secure side implementation of OP-TEE project, a Trusted Execution Environment. Versions prior to 3.19.0, contain an Improper Validation of Array Index vulnerability. The function `cleanup_shm_refs()` is called by both `entry_invoke_com