[Webkit-unassigned] [Bug 76939] New: Combination of elements breaks rendering in Safari on OSX only.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=76939

           Summary: Combination of elements breaks rendering in Safari on
                    OSX only.
           Product: WebKit
           Version: 420+
          Platform: Macintosh Intel
               URL: http://www.smashcat.org/av/safari-mac-bug-example-1/
        OS/Version: Mac OS X 10.7
            Status: UNCONFIRMED
          Severity: Major
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: scott at smashcat.org


In the example I have an iFrame containing a YouTube embed, plus a nested div with a canvas element and some text inside. The parent div is moved left and right, but the canvas element stays fixed on the page. Other elements within the div move normally.

If the iFrame is removed, or its src is pointed to another site, the canvas element will move fine. Additionally if "overflow:hidden" is removed from the parent container then the canvas will move fine.

This seems to be some kind of interraction between YouTube's embedded content in the iframe, and the parent page which hints at a security issue. This bug does not occur in other browsers, or in the Windows version of Safari.

Thanks.

-- 
Configure bugmail: https://bugs.webkit.org/userprefs.cgi?tab=email
------- You are receiving this mail because: -------
You are the assignee for the bug.