---
id: 8886
title: "Finding and Exploiting a 21-Year-Old Vulnerability in PHP"
source_domain: calif.io
source_url: "https://calif.io/research/php-uaf"
published_at: "2026-05-01T00:00:00Z"
tags: ["vulnerability-research", "php", "exploitation", "code-audit", "madbugs", "legacy-vulnerability"]
phying_url: "https://phying.com/item/8886"
lang: en
---

# Finding and Exploiting a 21-Year-Old Vulnerability in PHP

## Summary

# Finding and Exploiting a 21-Year-Old Vulnerability in PHP When this bug shipped, the dinosaurs had just gone extinct, only 64.999979 million years prior. Ryan A. May 1, 2026 phpmadbugs Contents...

## Intelligence Metadata

- **Sources:** calif.io
- **Published:** 2026-05-01T00:00:00Z
- **Original:** https://calif.io/research/php-uaf
- **Phying News:** https://phying.com/item/8886