| Package | Affected versions | Patched versions |
|---|---|---|
| kibana | ≥ 8.0.0, < 8.19.20≥ 9.0.0, < 9.4.5 | 8.19.209.4.5 |
Inefficient Algorithmic Complexity (CWE-407) in Kibana can lead to denial of service via Input Data Manipulation (CAPEC-153). A specially crafted, deeply nested expression submitted to a Kibana TSVB visualization is evaluated with a worst-case cost that grows disproportionately with the size of the input. Because the evaluation runs synchronously, a single request consumes the Kibana request-processing thread indefinitely, and Kibana stops responding to all further requests until the service is restarted.
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