CVE-2026-51261 | schreibfaul1 ESP32-audioI2S 3.4.5 src/Audio.cpp AudioBuffer::freeSpace race condition

A vulnerability described as critical has been identified in schreibfaul1 ESP32-audioI2S 3.4.5. This vulnerability affects the function AudioBuffer::freeSpace of the file src/Audio.cpp. The manipulation results in race condition.

This vulnerability is reported as CVE-2026-51261. The attack can be launched remotely. No exploit exists.