EIP-2026-104667

PRE-CVE

PHP 5.5.33 - Invalid Memory Write

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-104667. PoCs published by vah_13.

AI-analyzed exploit summary This exploit demonstrates a memory corruption vulnerability in PHP's Phar extension (CVE-2016-4342) triggered by a filename containing a null byte. The PoC causes a segmentation fault due to invalid memory writes during Phar file processing.

Description

PHP 5.5.33 - Invalid Memory Write

Exploits (1)

exploitdb WORKING POC VERIFIED
by vah_13 · textdosphp
https://www.exploit-db.com/exploits/39653

This exploit demonstrates a memory corruption vulnerability in PHP's Phar extension (CVE-2016-4342) triggered by a filename containing a null byte. The PoC causes a segmentation fault due to invalid memory writes during Phar file processing.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Moderate
Reliability
Reliable
Target: PHP 5.5.33 (Phar extension)
No auth needed
Prerequisites: Ability to execute PHP code with a crafted Phar filename
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026