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CVE

CVE-2025-9624

OpenSearch is vulnerable to DoS via complex query_string inputs
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CVE

CVE-2025-9624

OpenSearch is vulnerable to DoS via complex query_string inputs

A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.

This issue affects all OpenSearch versions below 2.19.4 and versions 3.0.0 through 3.2.0.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
8.3
-
4.0
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
6.5
-
3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Related Resources

No items found.

References

https://nvd.nist.gov/vuln/detail/CVE-2025-9624, https://github.com/opensearch-project/OpenSearch/pull/19491, https://fluidattacks.com/advisories/chick, https://github.com/opensearch-project/OpenSearch, https://github.com/opensearch-project/OpenSearch/releases/tag/2.19.4, https://github.com/opensearch-project/OpenSearch/releases/tag/3.3.0, https://opensearch.org/blog/explore-opensearch-3-3

Severity

6.5

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
6.5
EPSS Probability
0.00048%
EPSS Percentile
0.1497%
Introduced Version
1.0.0
Fix Available
3.3.0

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