Out-of-bounds read in ESP-IDF - CVE-2026-46532
Published: May 19, 2026
Vulnerability identifier: #VU131782
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-46532
CWE-ID: CWE-125
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vendor: Espressif Systems
Affected software:
ESP-IDF
ESP-IDF
Detailed vulnerability description
The vulnerability allows a remote user to disclose limited sensitive information and cause a denial of service.
The vulnerability exists due to out-of-bounds read in the BlueDroid AVRCP vendor-command parser when processing a malformed AVRCP vendor command with a zero-length payload. A remote user can send a specially crafted AVRCP vendor command to disclose limited sensitive information and cause a denial of service.
Only builds with BlueDroid Classic Bluetooth and AVRCP target support enabled are vulnerable, and exploitation requires an established A2DP/AVRCP connection.
How to mitigate CVE-2026-46532
Install security update from vendor's website.