CVE-2009-2044

Firefox < 3.0.10 - Denial of Service via Large GIF Image in BODY BACKGROUND Attribute

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2009-2044. PoCs published by Ahmad Muammar.

AI-analyzed exploit summary This exploit triggers a denial-of-service condition in Mozilla Firefox 3.0.10 by leveraging a vulnerability in the handling of background images. The exploit uses a simple HTML file with a background image reference to crash the browser.

Description

Mozilla Firefox 3.0.10 and earlier on Linux allows remote attackers to cause a denial of service (application crash) via a URI for a large GIF image in the BACKGROUND attribute of a BODY element.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Ahmad Muammar · htmldoslinux
https://www.exploit-db.com/exploits/33031

This exploit triggers a denial-of-service condition in Mozilla Firefox 3.0.10 by leveraging a vulnerability in the handling of background images. The exploit uses a simple HTML file with a background image reference to crash the browser.

Classification
Working Poc 80%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Mozilla Firefox 3.0.10
No auth needed
Prerequisites: Victim must open the malicious HTML file in a vulnerable version of Firefox
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (5)

Core 5
Core References
Exploit, Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/504214
Issue Tracking x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=496265
Patch, Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/35280

Scores

EPSS 0.0589
EPSS Percentile 92.3%

Details

CWE
CWE-20
Status published
Products (1)
mozilla/firefox < 3.0.10
Published Jun 12, 2009
Tracked Since Feb 18, 2026