What is GHSA-mmmh-c8hw-qvw4?

GHSA-mmmh-c8hw-qvw4 is a security advisory published by GitHub Security Advisories with Critical severity. Unsafe fixed-size memcpy operation in AudioBuffer::writeSpace() of schreibfaul1 ESP32-audioI2S 3...

Which CVE IDs does GHSA-mmmh-c8hw-qvw4 cover?

GHSA-mmmh-c8hw-qvw4 covers the following CVE IDs: CVE-2026-51260. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-mmmh-c8hw-qvw4?

GHSA-mmmh-c8hw-qvw4 has a CVSS v3 base score of 9.4, published by GitHub Security Advisories.

GHSA-mmmh-c8hw-qvw4CriticalCVSS 9.4

Unsafe fixed-size memcpy operation in AudioBuffer::writeSpace() of schreibfaul1 ESP32-audioI2S 3...

Vendor

GitHub Security Advisories

Published

July 28, 2026

Last Modified

July 28, 2026

🔗 CVE IDs covered (1)

CVE-2026-51260 →

📋 Description

Unsafe fixed-size memcpy operation in AudioBuffer::writeSpace() of schreibfaul1 ESP32-audioI2S 3.4.5 allows remote heap buffer overflow. The code copies a full UINT16_MAX bytes without validating destination available space, causing out-of-bounds memory write.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-51260
https://github.com/programmervuln/cveadvisory-/blob/main/CVE-2026-51260
https://github.com/schreibfaul1/ESP32-audioI2S/blob/master/src/Audio.cpp
https://github.com/advisories/GHSA-mmmh-c8hw-qvw4