| Package | Affected versions | Patched versions |
|---|---|---|
| elasticsearch | ≥ 8.0.0, < 8.19.20≥ 9.0.0, < 9.4.5 | 8.19.209.4.5 |
Uncontrolled Recursion (CWE-674) in Elasticsearch can lead to denial of service via Input Data Manipulation (CAPEC-153). An authenticated user holding only low-privileged index creation permissions can submit a single request containing a specially crafted, malformed custom analysis definition that is resolved recursively without a cycle or depth check, exhausting the thread stack and terminating the affected node.
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