[jira] [Created] (MESOS-3698) JSON parsing allows non-whitespace trailing characters

["Greg Mann (JIRA)" <ji...@apache.org>]

Greg Mann created MESOS-3698:
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             Summary: JSON parsing allows non-whitespace trailing characters
                 Key: MESOS-3698
                 URL: https://issues.apache.org/jira/browse/MESOS-3698
             Project: Mesos
          Issue Type: Bug
            Reporter: Greg Mann
            Assignee: Greg Mann


Picojson supports a streaming mode in which a stream containing a series of JSON values can be repeatedly parsed. For this reason, it does not return an error when passed a string containing a valid JSON value followed by non-whitespace trailing characters.

However, picojson contains a two-argument {{parse()}} function (https://github.com/kazuho/picojson/blob/master/picojson.h#L938-L942) which should probably validate its input string to ensure it doesn't contain trailing characters. A pull request has been filed for this change at https://github.com/kazuho/picojson/pull/70 and if it's merged, we can switch to the two-argument function call. In the meantime, we should provide such input validation ourselves in {{JSON::parse()}}.



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