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Change History

Uncontrolled Resource Consumption (CWE-400) in Elasticsearch can lead to denial of service via Excessive Allocation (CAPEC-130). A low-privileged authenticated user with permission to execute EQL sequence queries against an index they control can send a specially crafted query that triggers excessive memory consumption, causing the Elasticsearch node to crash.

AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CWE-400

https://discuss.elastic.co/t/elasticsearch-8-19-18-9-3-7-9-4-4-security-update-esa-2026-57/388556

[{"vendor":"Elastic","product":"Elasticsearch","defaultStatus":"unaffected","versions":[{"version":"9.4.0","lessThanOrEqual":"9.4.3","versionType":"semver","status":"affected"},{"version":"8.0.0","lessThanOrEqual":"8.19.17","versionType":"semver","status":"affected"},{"version":"9.0.0","lessThanOrEqual":"9.3.6","versionType":"semver","status":"affected"}]}]