high8.3
CVE-2025-9624
OpenSearch is vulnerable to DoS via complex query_string inputs
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| maven | org.opensearch:opensearch-common | >= 3.0.0, < 3.3.0 | 3.3.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Amazon | Opensearch | before 3.3.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://fluidattacks.com/advisories/chick
- https://github.com/opensearch-project/OpenSearch/releases/tag/2.19.4
- https://github.com/opensearch-project/OpenSearch/releases/tag/3.3.0
- https://github.com/advisories/GHSA-mw3v-mmfw-3x2g
- https://nvd.nist.gov/vuln/detail/CVE-2025-9624
- https://opensearch.org/blog/explore-opensearch-3-3
- https://github.com/opensearch-project/OpenSearch/pull/19491
- https://caverav.cl/posts/opensearch-dos/opensearch-dos