OpenSearch is vulnerable to DoS via complex query_string inputs

ALTO 7.5CVE-2025-9624 · GHSA-mw3v-mmfw-3x2g · Published 25/11/2025 · updated 18/10/2026

In breve

CVE-2025-9624 è una vulnerabilità ALTO (CVSS 7.5) che riguarda org.opensearch:opensearch-common, opensearch (amazon).
Probabilità di sfruttamento nei prossimi 30 giorni (EPSS): 0.73%, superiore al 54.2% delle vulnerabilità.
Correzione: aggiornare a 3.3.0, 2.19.4 o successiva.

Package	Affected versions	Patched versions
org.opensearch:opensearch-common Maven	`≥ 3.0.0, < 3.3.0< 2.19.4`	`3.3.02.19.4`
opensearch amazon	`< 3.3.0`	`3.3.0`

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 below 2.19.4 and versions 3.0.0 through 3.2.0.

NVD 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.

References

nvd.nist.gov/vuln/detail/CVE-2025-9624 · ADVISORY
opensearch-project/OpenSearch#19491 · WEB
caverav.cl/posts/opensearch-dos/opensearch-dos · WEB
fluidattacks.com/advisories/chick · WEB
opensearch-project/OpenSearch · PACKAGE
opensearch-project/OpenSearch release 2.19.4 · WEB
opensearch-project/OpenSearch release 3.3.0 · WEB
opensearch.org/blog/explore-opensearch-3-3 · WEB

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