ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.5.4 and 6.0, the esp_tee component exposes secure-service wrappers in esp_secure_services.c and esp_secure_services_iram.c that bridge calls from the user application (i.e. the REE) to TEE-protected hardware peripherals (AES, SHA, ECC, HMAC, SPI, MMU, WDT) and to the security feature like attestation, OTA updates, secure storage. This issue has been patched in versions 5.5.5 and 6.0.1.
History

Wed, 10 Jun 2026 03:45:00 +0000

Type Values Removed Values Added
First Time appeared Espressif
Espressif esp-idf
Vendors & Products Espressif
Espressif esp-idf

Wed, 10 Jun 2026 01:30:00 +0000

Type Values Removed Values Added
Description ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.5.4 and 6.0, the esp_tee component exposes secure-service wrappers in esp_secure_services.c and esp_secure_services_iram.c that bridge calls from the user application (i.e. the REE) to TEE-protected hardware peripherals (AES, SHA, ECC, HMAC, SPI, MMU, WDT) and to the security feature like attestation, OTA updates, secure storage. This issue has been patched in versions 5.5.5 and 6.0.1.
Title ESF-IDF: Out-of-Bounds Write in ESP-TEE Secure Service Wrappers
Weaknesses CWE-20
CWE-787
References
Metrics cvssV3_1

{'score': 9.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-06-10T00:33:43.997Z

Updated: 2026-06-10T00:33:43.997Z

Reserved: 2026-05-11T20:50:30.540Z

Link: CVE-2026-45328

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-06-10T02:16:32.687

Modified: 2026-06-10T02:16:32.687

Link: CVE-2026-45328

cve-icon Redhat

No data.