EIP-2026-103571

PRE-CVE

Mozilla Firefox 3.5.x and SeaMonkey 2.0.1 - Remote Denial of Service

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103571. PoCs published by 599eme Man.

AI-analyzed exploit summary This exploit triggers a denial-of-service (DoS) in Mozilla Firefox and SeaMonkey by rapidly expanding a string buffer and writing it to the document, causing the browser to crash. The PoC leverages JavaScript to exhaust memory resources.

Description

Mozilla Firefox 3.5.x and SeaMonkey 2.0.1 - Remote Denial of Service

Exploits (1)

exploitdb WORKING POC VERIFIED
by 599eme Man · htmldosmultiple
https://www.exploit-db.com/exploits/33607

This exploit triggers a denial-of-service (DoS) in Mozilla Firefox and SeaMonkey by rapidly expanding a string buffer and writing it to the document, causing the browser to crash. The PoC leverages JavaScript to exhaust memory resources.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Mozilla Firefox 3.6.7, SeaMonkey 2.0.1
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