CVE-2006-3199

Opera 9 - Denial of Service via Long Hostname in A Tag href Attribute

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-3199. PoCs published by N9.

AI-analyzed exploit summary This exploit demonstrates a DoS vulnerability in Opera 9 by using an excessively long string in an href attribute, causing an out-of-bounds memory access. The PoC is a simple HTML file with a maliciously crafted link.

Description

Opera 9 allows remote attackers to cause a denial of service (crash) via an A tag with an href attribute with a URL containing a long hostname, which triggers an out-of-bounds operation.

Exploits (1)

exploitdb WORKING POC VERIFIED
by N9 · htmldosmultiple
https://www.exploit-db.com/exploits/1937

This exploit demonstrates a DoS vulnerability in Opera 9 by using an excessively long string in an href attribute, causing an out-of-bounds memory access. The PoC is a simple HTML file with a maliciously crafted link.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Opera 9
No auth needed
Prerequisites: Victim must open the malicious HTML file in Opera 9
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (9)

Core 9
Core References
Broken Link, Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/437945/100/0/threaded
Broken Link vdb-entry x_refsource_osvdb
http://www.osvdb.org/27510
Broken Link, Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1016359
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/27289
Broken Link, Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/438326/100/0/threaded
Broken Link vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/2617
Broken Link, Exploit, Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/18585
Exploit, Third Party Advisory x_refsource_misc
http://www.critical.lt/?vuln/349

Scores

EPSS 0.1434
EPSS Percentile 96.2%

Details

CWE
CWE-119
Status published
Products (1)
opera/opera_browser 9.0
Published Jun 23, 2006
Tracked Since Feb 18, 2026