CVE-2024-43709: Elasticsearch allocation of resources without limits or throttling leads to crash

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-01-21 · updated 2026-06-17
Weakness: CWE-770

Description

An allocation of resources without limits or throttling in Elasticsearch can lead to an OutOfMemoryError exception resulting in a crash via a specially crafted query using an SQL function.

Affected products

Elasticsearch: from 7.17.0 before 7.17.21; from 8.0.0 before 8.13.3 — fixed in 7.17.21, 8.13.3

How to fix

Upgrade to a fixed version: Elasticsearch 7.17.21, 8.13.3. Check the vendor advisory for mitigations.

References

https://discuss.elastic.co/t/elasticsearch-7-17-21-and-8-13-3-security-update-esa-2024-25/373442
https://security.netapp.com/advisory/ntap-20250221-0007/

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