CVE-2026-51251

high

Description

Schreibfaul1 ESP32-audioI2S 3.4.5 has a buffer overflow vulnerability in the MP3Decoder::decode() function of the MP3 decoder due to missing size validation on untrusted mainDataBegin and nSlots values.

References

https://github.com/schreibfaul1/ESP32-audioI2S/blob/master/src/mp3_decoder/mp3_decoder.cpp

https://github.com/programmervuln/cveadvisory-/blob/main/CVE-2026-51251

Details

Source: Mitre, NVD

Published: 2026-07-28

Updated: 2026-07-28

Risk Information

CVSS v2

Base Score: 7.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

Severity: High

CVSS v3

Base Score: 7.5

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H