Exploitation Summary
EIP tracks 1 public exploit for EIP-2026-119590. PoCs published by L0RD.
AI-analyzed exploit summary This PoC exploits a Denial of Service (DoS) vulnerability in Firefox 55.0.3 by overwriting the `document.body.style.backgroundColor` property with an excessively large buffer, causing the browser to crash or become unresponsive.
Description
Firefox 55.0.3 - Denial of Service (PoC)
Exploits (1)
exploitdb
WORKING POC
by L0RD · textdoswindows_x86-64
https://www.exploit-db.com/exploits/45257
This PoC exploits a Denial of Service (DoS) vulnerability in Firefox 55.0.3 by overwriting the `document.body.style.backgroundColor` property with an excessively large buffer, causing the browser to crash or become unresponsive.
Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target:
Mozilla Firefox 55.0.3
No auth needed
Prerequisites:
User must visit a malicious webpage
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026
Full analysis →
Details
Status
pre_cve
Tracked Since
Feb 18, 2026