[Webkit-unassigned] [Bug 15811] New: WebKit plug-ins can re-enter WebKit under attach()

[bugzilla-daemon at webkit.org]

http://bugs.webkit.org/show_bug.cgi?id=15811

           Summary: WebKit plug-ins can re-enter WebKit under attach()
           Product: WebKit
           Version: 523.x+ (nightly)
          Platform: Macintosh
        OS/Version: Mac OS X 10.4
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: mitz at webkit.org
                CC: andersca at apple.com


[This is a follow-up to bug 15405 regarding the general case]

HTMLObjectElement::attach() calls RenderPartObject::updateWidget() which lets
WebKit plugins execute arbitrary code, potentially re-entering WebKit.

I think at some point the protection against creating widgets when
updateWidget() is called by attach() applied to WebKit plug-ins, but later it
was restricted to Netscape plug-ins.


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