EIP-2026-103573

PRE-CVE

Mozilla Firefox 3.6.12 - Remote Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103573. PoCs published by emgent white_sheep & scox.

AI-analyzed exploit summary This exploit triggers a Denial of Service (DoS) in Mozilla Firefox <= 3.6.12 by writing a large number of characters and recursively duplicating the document body content, causing a crash.

Description

Mozilla Firefox 3.6.12 - Remote Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by emgent white_sheep & scox · htmldosmultiple
https://www.exploit-db.com/exploits/15498

This exploit triggers a Denial of Service (DoS) in Mozilla Firefox <= 3.6.12 by writing a large number of characters and recursively duplicating the document body content, causing a crash.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Mozilla Firefox <= 3.6.12
No auth needed
Prerequisites: Victim must visit a malicious webpage
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026