EIP-2026-103565

PRE-CVE

Mozilla Firefox 2.0.0.3 / Gran Paradiso 3.0a3 - Hang / Crash (Denial of Service)

Title source: legacy
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for EIP-2026-103565. PoCs published by shinnai.

AI-analyzed exploit summary This Python script generates an HTML file containing a large number of nested <marquee> tags, which triggers a Denial of Service (DoS) in Mozilla Firefox 2.0.0.3 and Gran Paradiso 3.0a3. The exploit leverages a browser rendering vulnerability to crash or hang the target application.

Description

Mozilla Firefox 2.0.0.3 / Gran Paradiso 3.0a3 - Hang / Crash (Denial of Service)

Exploits (1)

exploitdb WORKING POC VERIFIED
by shinnai · pythondosmultiple
https://www.exploit-db.com/exploits/3606

This Python script generates an HTML file containing a large number of nested <marquee> tags, which triggers a Denial of Service (DoS) in Mozilla Firefox 2.0.0.3 and Gran Paradiso 3.0a3. The exploit leverages a browser rendering vulnerability to crash or hang the target application.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Mozilla Firefox 2.0.0.3 and Gran Paradiso 3.0a3
No auth needed
Prerequisites: Ability to deliver the HTML file to the target (local or remote)
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Details

Status pre_cve
Tracked Since Feb 18, 2026