---
id: 8557
title: "Breaking the Sound Barrier Part I: Fuzzing CoreAudio with Mach Messages"
source_domain: projectzero.google
source_url: "https://projectzero.google/2025/05/breaking-sound-barrier-part-i-fuzzing.html"
published_at: "2025-05-09T00:00:00Z"
tags: ["fuzzing", "macos", "kernel", "research", "coreaudio", "mach"]
phying_url: "https://phying.com/item/8557"
lang: en
---

# Breaking the Sound Barrier Part I: Fuzzing CoreAudio with Mach Messages

## Summary

Part one of a macOS audio series: building a fuzzer for CoreAudio by sending Mach messages, covering the attack surface, harness design, and early results.

## Intelligence Metadata

- **Sources:** projectzero.google
- **Published:** 2025-05-09T00:00:00Z
- **Original:** https://projectzero.google/2025/05/breaking-sound-barrier-part-i-fuzzing.html
- **Phying News:** https://phying.com/item/8557