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Posted to issues@commons.apache.org by "Miquel (JIRA)" <ji...@apache.org> on 2014/07/01 19:21:24 UTC

[jira] [Created] (LANG-1022) NumericEntityUnescaper.translate throws an IllegalArgumentException if entityValue > MAX_CODE_POINT

Miquel created LANG-1022:
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             Summary: NumericEntityUnescaper.translate throws an IllegalArgumentException if entityValue > MAX_CODE_POINT
                 Key: LANG-1022
                 URL: https://issues.apache.org/jira/browse/LANG-1022
             Project: Commons Lang
          Issue Type: Bug
          Components: lang.text.translate.*
            Reporter: Miquel
            Priority: Minor


We found that using the function StringEscapeUtils.unescapeHtml4 crashes if the argument is "&#14844069;" and throws an IllegalArgumentException.

This happens because internally it calls the function NumericEntityUnescaper.translate and doesn't check if the value is bigger than 0x10FFFF (MAX_CODE_POINT) that is a check inside Character.toChar.

Maybe we need to check that the entity value is less than Char.MAX_CODE_POINT.



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