Buffer overflow in Espressif Esp-idf
CVE-2026-45328
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 us…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.001 (2.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Espressif Esp-idf — versions 5.5.4, = 5.5.4, 6.0
Weakness classification (CWE)
References
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM, Patch, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-45328?
- CVE-2026-45328 is a critical-severity vulnerability in Espressif Esp-idf, classified under Improper Input Validation. CVSS score: 9.3/10. Published 2026-06-10.
- How severe is CVE-2026-45328?
- Critical severity. CVSS v3 base score is 9.3 out of 10.