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https://issues.apache.org/jira/browse/XERCESJ-1461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12892010#action_12892010
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Michael Glavassevich commented on XERCESJ-1461:
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Specifically "(start + end) / 2" will overflow when the sum of 'start' and
'end' would be greater than Integer.MAX_VALUE. This is fixed with an unsigned
right shift "(start + end) >>> 1".
> Some averaging computations which overflow for large values.
> ------------------------------------------------------------
>
> Key: XERCESJ-1461
> URL: https://issues.apache.org/jira/browse/XERCESJ-1461
> Project: Xerces2-J
> Issue Type: Bug
> Components: Other
> Affects Versions: 2.10.0
> Reporter: Michael Glavassevich
> Priority: Minor
>
> Averaging computations in the binary search and divide and conquer methods in
> DeferredDocumentImpl and BalancedDTDGrammar will overflow for large values.
> I've already fixes these problems; just opening this now for tracking
> purposes.
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