Emmanuel Lécharny created DIRAPI-459:
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Summary: FilterParser recurses without depth limit;
StackOverflowError on nested filters
Key: DIRAPI-459
URL: https://issues.apache.org/jira/browse/DIRAPI-459
Project: Directory Client API
Issue Type: Bug
Affects Versions: 2.1.8
Reporter: Emmanuel Lécharny
Fix For: 2.1.9
A server returns a _SearchResultDone_ carrying a referral *URL* whose filter
part is 15,000 repetitions of _"(!"_.
_AddReferral_ constructs new _LdapUrl(url)_ which calls _FilterParser.parse_.
The recursion overflows the stack and the _StackOverflowError_ kills the *I/O*
processing of the response and, depending on the host application, the worker
thread.
Alternatively an advanced-search box passing a raw user filter to
connection.search hits the same recursion.
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