EIP-2026-104619

PRE-CVE

Mozilla Firefox 3.5 (OSX) - Font Tags Remote Buffer Overflow

Title source: legacy

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-104619. PoCs published by Dr_IDE.

AI-analyzed exploit summary This exploit leverages a heap spray technique to execute arbitrary shellcode in Firefox 3.5 on OS X, delivering a bind shell on port 4444. It uses JavaScript to spray the heap and trigger the vulnerability via malformed HTML content.

Description

Mozilla Firefox 3.5 (OSX) - Font Tags Remote Buffer Overflow

Exploits (1)

exploitdb WORKING POC VERIFIED

by Dr_IDE · pythonremoteosx

https://www.exploit-db.com/exploits/9247

View Code ZIP pw:eip

This exploit leverages a heap spray technique to execute arbitrary shellcode in Firefox 3.5 on OS X, delivering a bind shell on port 4444. It uses JavaScript to spray the heap and trigger the vulnerability via malformed HTML content.

Classification

Working Poc 95%

Attack Type

Rce

Complexity

Moderate

Reliability

Reliable

Target: Firefox 3.5 on OS X 10.5.7

No auth needed

Prerequisites: Victim must visit the malicious HTTP server · Firefox 3.5 on OS X 10.5.7

MITRE ATT&CK

T1189 - Drive-by Compromise T1059 - Command and Scripting Interpreter

devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve

Tracked Since Feb 18, 2026