[Webkit-unassigned] [Bug 230828] New: Boundary check of AccessibilityMathMLElement::mathOverObject is incorrect

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=230828

            Bug ID: 230828
           Summary: Boundary check of
                    AccessibilityMathMLElement::mathOverObject is
                    incorrect
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Accessibility
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fred.wang at free.fr
                CC: andresg_22 at apple.com, cfleizach at apple.com,
                    webkit-bug-importer at group.apple.com

For an munderover tag, we try to access children[2] but only check whether there are at least 2 children.

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