Emmanuel Lécharny created DIRAPI-462:
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Summary: Rdn.hashCode() always returns 0 due to variable shadowing
Key: DIRAPI-462
URL: https://issues.apache.org/jira/browse/DIRAPI-462
Project: Directory Client API
Issue Type: Bug
Affects Versions: 2.1.8
Reporter: Emmanuel Lécharny
Fix For: 2.1.9
A server or application embedding this library keys a _HashMap_/_HashSet_ by
_Dn_ (entry caches, group-membership sets, subscription maps — *ApacheDS* and
many consumers do); an attacker injecting many distinct *DNs* (adds, binds,
processed search results) makes every key land in one bucket, driving *CPU*
exhaustion via quadratic normalizer-heavy comparisons.
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