Opera Web Browser 9 href memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Opera Web Browser 9 and classified as problematic. The impacted element is an unknown function. The manipulation of the argument href results in memory corruption. This vulnerability is reported as CVE-2006-3199. Moreover, an exploit is present.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Opera Web Browser 9 (Web Browser). Affected is an unknown code. The manipulation of the argument href with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. CVE summarizes:

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.

The bug was discovered 06/21/2006. The weakness was disclosed 06/21/2006 by N9 (Website). The advisory is shared for download at vupen.com. This vulnerability is traded as CVE-2006-3199 since 06/23/2006. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

After even before and not, there has been an exploit disclosed. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115366 (Opera Malicious HTML Processing Denial of Service Vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (27289), Exploit-DB (1937), SecurityFocus (BID 18585†), OSVDB (27510†) and SecurityTracker (ID 1016359†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/21/2006 🔍
06/21/2006 +0 days 🔍
06/21/2006 +0 days 🔍
06/22/2006 +0 days 🔍
06/22/2006 +0 days 🔍
06/23/2006 +1 days 🔍
06/23/2006 +0 days 🔍
06/23/2006 +0 days 🔍
07/09/2006 +16 days 🔍
07/26/2006 +17 days 🔍
03/12/2015 +3150 days 🔍
06/21/2025 +3754 days 🔍

Sourcesinfo

Vendor: opera.com

Advisory: vupen.com⛔
Researcher: N9
Status: Not defined

CVE: CVE-2006-3199 (🔍)
GCVE (CVE): GCVE-0-2006-3199
GCVE (VulDB): GCVE-100-30972
X-Force: 27289
SecurityFocus: 18585 - Opera Malicious HTML Processing Denial of Service Vulnerability
OSVDB: 27510 - Opera Large href Tag DoS
SecurityTracker: 1016359
Vulnerability Center: 12171 - Opera 9 Remote Denial of Service When Processing Malicious HTML Content, Medium
Vupen: ADV-2006-2617

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/12/2015 14:25
Updated: 06/21/2025 20:45
Changes: 03/12/2015 14:25 (65), 06/22/2019 08:42 (7), 04/11/2025 13:14 (20), 06/21/2025 20:45 (3)
Complete: 🔍
Cache ID: 216:8A9:103

Once again VulDB remains the best source for vulnerability data.

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