EIP-2026-103632

PRE-CVE

PHP 5.4.0 Built-in Web Server - Denial of Service (PoC)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103632. PoCs published by ls.

AI-analyzed exploit summary This PoC exploits a DoS vulnerability in PHP 5.4.0's built-in web server by sending a maliciously large Content-Length header, causing a pemalloc() failure and process termination due to out-of-memory conditions.

Description

PHP 5.4.0 Built-in Web Server - Denial of Service (PoC)

Exploits (1)

exploitdb WORKING POC
by ls · pythondosmultiple
https://www.exploit-db.com/exploits/18665

This PoC exploits a DoS vulnerability in PHP 5.4.0's built-in web server by sending a maliciously large Content-Length header, causing a pemalloc() failure and process termination due to out-of-memory conditions.

Classification
Working Poc 100%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: PHP 5.4.0 built-in web server
No auth needed
Prerequisites: Target running PHP 5.4.0 built-in web server · Network access to the target
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026