Elasticsearch OOM DoS: Unrestricted User Settings Allocation
CVE-2025-68384 Published on December 18, 2025
Elasticsearch Allocation of Resources Without Limits or Throttling
Allocation of Resources Without Limits or Throttling (CWE-770) in Elasticsearch can allow a low-privileged authenticated user to cause Excessive Allocation (CAPEC-130) causing a persistent denial of service (OOM crash) via submission of oversized user settings data.
Vulnerability Analysis
CVE-2025-68384 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
Allocation of Resources Without Limits or Throttling
The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Products Associated with CVE-2025-68384
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Affected Versions
Elasticsearch:- Version 7.0.0, <= 7.17.29 is affected.
- Version 8.0.0, <= 8.19.8 is affected.
- Version 9.0.0, <= 9.1.8 is affected.
- Version 9.2.0, <= 9.2.2 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.