CVE-2007-2671

Mozilla Firefox 2.0.0.3 - Denial of Service via Long Hostname in HREF Attribute

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2007-2671. PoCs published by Carl Hardwick.

AI-analyzed exploit summary This exploit demonstrates a denial-of-service vulnerability in Firefox 2.0.0.3 by using an excessively long URL in an HTML anchor tag, causing the browser to crash.

Description

Mozilla Firefox 2.0.0.3 allows remote attackers to cause a denial of service (application crash) via a long hostname in an HREF attribute in an A element, which triggers an out-of-bounds memory access.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Carl Hardwick · htmldoswindows
https://www.exploit-db.com/exploits/29940

This exploit demonstrates a denial-of-service vulnerability in Firefox 2.0.0.3 by using an excessively long URL in an HTML anchor tag, causing the browser to crash.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Firefox 2.0.0.3
No auth needed
Prerequisites: Victim must open a maliciously crafted HTML document
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/2704
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/33982
Mailing List mailing-list x_refsource_fulldisc
http://lists.grok.org.uk/pipermail/full-disclosure/2007-May/062773.html
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/23747
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/35700

Scores

EPSS 0.0322
EPSS Percentile 86.6%

Details

Status published
Products (1)
mozilla/firefox 2.0.0.3
Published May 14, 2007
Tracked Since Feb 18, 2026