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Category:   Application (Web Browser)  >   Opera Vendors:   Opera Software
Opera Memory Error in Processing Long HREF Tags Lets Remote Users Deny Service
SecurityTracker Alert ID:  1016359
SecurityTracker URL:
CVE Reference:   CVE-2006-3199   (Links to External Site)
Updated:  Sep 17 2008
Original Entry Date:  Jun 22 2006
Impact:   Denial of service via network
Exploit Included:  Yes  
Version(s): 9.0
Description:   A vulnerability was reported in Opera. A remote user can cause denial of service conditions.

A remote user can create HTML with a specially crafted HREF tag. When the HTML is loaded by the target user, the target user's browser will crash.

A demonstration exploit is available at:

The original advisory is available at:

Povilas Tumenas a.k.a. N9 discovered this vulnerability.

Impact:   A remote user can cause denial of service conditions.
Solution:   No solution was available at the time of this entry.
Vendor URL: (Links to External Site)
Cause:   Boundary error
Underlying OS:  Windows (Any)

Message History:   None.

 Source Message Contents

Subject:  Opera 9 DoS PoC

Critical Security advisory #009 [] 

Advisory can be reached: 

We are: N9, bigb0u, cybergoth, iglOo, mircia, Povilas  

Shouts to Lithuanian girlz! and our friends ;] 

Product: Opera 9 (8.x is immune to this) 

Vuln type: Denial of Service 

Risk: moderated 

Attack type: Remote  


Vulnerability can be exploited by using a large value in a href tag to create an out-of-bounds memory access. 

Proof Of Concept DoS exploit: 

Research was originaly done by Povilas Tumėnas a.k.a. N9 

P.S. To Opera Team, we like your browser and want it to be as good as possible. 


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