| Package | Affected versions | Patched versions |
|---|---|---|
| elasticsearch | ≥ 8.19.0, < 8.19.20≥ 9.0.0, < 9.4.5 | 8.19.209.4.5 |
Elasticsearch does not apply its configurable input length restriction to a user-supplied pattern accepted by an intervals query. Compiling a deeply nested pattern drives unbounded recursion that exhausts the thread stack and raises a fatal error, terminating the Elasticsearch node process and causing a denial of service for that node. An authenticated user holding only read-only privileges on a single searchable index can trigger the condition with one small search request.
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