A flaw was discovered in Elasticsearch, where a large recursion using the innerForbidCircularReferences function of the PatternBank class could cause the Elasticsearch node to crash.
A successful attack requires a malicious user to have read_pipeline Elasticsearch cluster privilege assigned to them.
| Software | From | Fixed in |
|---|---|---|
org.elasticsearch / elasticsearch
|
7.17.0 | 8.15.1 |