Resource Allocation Vulnerability in Elasticsearch by Elastic
CVE-2025-68384

6.5MEDIUM

Key Information:

Vendor

Elastic
Status
Elastic
Vendor
CVE Published:
18 December 2025

What is CVE-2025-68384?

A vulnerability exists in Elasticsearch that allows a low-privileged authenticated user to exploit resource allocation settings. This can result in excessive resource consumption, potentially leading to a persistent denial of service (DoS) due to an out-of-memory (OOM) crash when oversized user settings data is submitted. Organizations using affected Elasticsearch versions should take immediate action to mitigate this risk and ensure system stability.

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Affected Version(s)

Elasticsearch 7.0.0 <= 7.17.29

Elasticsearch 8.0.0 <= 8.19.8

Elasticsearch 9.0.0 <= 9.1.8

References

https://discuss.elastic.co/t/elasticsearch-8-19-9-9-1-9-a...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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