CVE-2026-51259

CVE-2026-51259CVE-2026-51259

Description

Unchecked unsigned integer overflow in buffer size calculation in schreibfaul1 ESP32-audioI2S 3.4.5 leads to undersized PSRAM buffer allocation. Subsequent normal audio buffer read and write operations cause heap out-of-bounds access, memory corruption, denial of service, and potential code execution.

Scoring

CVSS 9.8 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Last modified2026-07-28
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.