CVE-2025-9624
OpenSearch 3.2.0 - Nested Boolean/Disjunction asymmetric DoS
- State
- Published
- Severity
- 8.3 High
- Published
- Nov 25, 2025
- Updated
- Dec 15, 2025
- Reserved
- Aug 28, 2025
Description
A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.
This issue affects all OpenSearch versions between 3.0.0 and < 3.3.0 and OpenSearch < 2.19.4.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.3 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H | Fluid Attacks |
Weaknesses
- CWE-674 Uncontrolled Recursion
Affected Products
| Product | Versions |
|---|---|
OpenSearchOpenSearch |
|
References
- https://fluidattacks.com/advisories/chickthird-party-advisory
- https://github.com/opensearch-project/OpenSearch/releases/tag/3.3.0patchrelease-notes
- https://github.com/opensearch-project/OpenSearch/releases/tag/2.19.4patchrelease-notes
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