Emmanuel Lécharny created DIRAPI-452:
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Summary: Unbounded mutual recursion in ACI refinement parsing
(StackOverflowError)
Key: DIRAPI-452
URL: https://issues.apache.org/jira/browse/DIRAPI-452
Project: Directory Client API
Issue Type: Bug
Affects Versions: 2.1.8
Reporter: Emmanuel Lécharny
Fix For: 2.1.9
An authenticated principal with permission to write an _ACI_-syntax value
submits an _ACIItem_ whose classes refinement is '_not: not: not: ..._'
repeated ~20k times.
The syntax checker invokes _check()_, the parser recurses ~40k frames, and
_StackOverflowError_ unwinds through the schema-validation path, aborting the
operation and destabilizing the worker thread.
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