---
id: 8898
title: "Discovering a 0-Day in Zero Day"
source_domain: calif.io
source_url: "https://calif.io/research/radare2"
published_at: "2026-04-08T00:00:00Z"
tags: ["zero-day", "vulnerability-research", "humor", "reversing", "madbugs", "tv-review"]
phying_url: "https://phying.com/item/8898"
lang: en
---

# Discovering a 0-Day in Zero Day

## Summary

Here’s how I used Claude to find and patch a radare2 0-day on my first day at Calif.

## Intelligence Metadata

- **Sources:** calif.io
- **Published:** 2026-04-08T00:00:00Z
- **Original:** https://calif.io/research/radare2
- **Phying News:** https://phying.com/item/8898