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https://issues.apache.org/jira/browse/NET-521?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sebb updated NET-521:
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Fix Version/s: 3.4
> SubnetUtils.SubnetInfo.getAddressCount() can overflow as it returns an int
> --------------------------------------------------------------------------
>
> Key: NET-521
> URL: https://issues.apache.org/jira/browse/NET-521
> Project: Commons Net
> Issue Type: Bug
> Affects Versions: 3.3
> Reporter: Sebb
> Fix For: 3.4
>
>
> The method SubnetUtils.SubnetInfo.getAddressCount() returns an int.
> However a CIDR with 0 or 1 bits in the routing mask can represent more than
> Integer.MAX_VALUE entries, so the method cannot currently return the correct
> value.
> Unfortunately, if the method were changed to return a long it would break
> binary compatibility (the return type is part of the API signature).
> One possible solution is to provide a new method which returns a long, and
> deprecate the old method.
> If the original method cannot return the correct value, it should probably
> throw a runtime error.
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