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Posted to issues@commons.apache.org by "Sebb (JIRA)" <ji...@apache.org> on 2015/08/11 15:28:46 UTC

[jira] [Updated] (LANG-1162) StringUtils#equals fails with Index OOBE on non-Strings with identical leading prefix

     [ https://issues.apache.org/jira/browse/LANG-1162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebb updated LANG-1162:
-----------------------
    Fix Version/s: 3.5

> StringUtils#equals fails with Index OOBE on non-Strings with identical leading prefix
> -------------------------------------------------------------------------------------
>
>                 Key: LANG-1162
>                 URL: https://issues.apache.org/jira/browse/LANG-1162
>             Project: Commons Lang
>          Issue Type: Bug
>    Affects Versions: 3.4
>            Reporter: Sebb
>            Assignee: Sebb
>             Fix For: 3.5
>
>
> From the Commons User mailing list:
> {quote}
> StringUtils.equals(cs1,cs2) delegates to CharSequence.regionMatches(...) in a way that causes IndexOutOfBounds when either of cs1/cs2 isn't a String.
> Specifically, comparing "foo" and "foobar" for non-String CharSequences bombs due to CharSequenceUtils.regionMatches(cs1, false, 0, cs2, 0, Math.max(cs1.length(), cs2.length())) because regionMatches doesn't check for input exhaustion.
> {quote}



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