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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Harden JSC Root element functions from bad values"
href="https://bugs.webkit.org/show_bug.cgi?id=155234">155234</a>
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<th>Summary</th>
<td>Harden JSC Root element functions from bad values
</td>
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<th>Classification</th>
<td>Unclassified
</td>
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<th>Product</th>
<td>WebKit
</td>
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<th>Version</th>
<td>WebKit Nightly Build
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<th>Hardware</th>
<td>Unspecified
</td>
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<th>OS</th>
<td>Unspecified
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>Normal
</td>
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<th>Priority</th>
<td>P2
</td>
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<th>Component</th>
<td>JavaScriptCore
</td>
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<th>Assignee</th>
<td>webkit-unassigned@lists.webkit.org
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</tr>
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<th>Reporter</th>
<td>msaboff@apple.com
</td>
</tr></table>
<p>
<div>
<pre>The Root related functionCreateElement(), functionGetElement() and functionSetElementRoot() currently do not protect against bad values.
In some cases, fuzzer code will cause crashes in this code.
Their jsCast() calls should be replaced with jsDynamicCast() and appropriate checks.</pre>
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