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

EUVD-2025-199644

A vulnerability in OpenSearch allows attackers to cause Denial of Service DoS by submitting complex querystring inputs. This issue affects all OpenSearch versions below 3.2.0...

CVE-2025-9624

A vulnerability in OpenSearch allows attackers to cause Denial of Service DoS by submitting complex querystring inputs. This issue affects all OpenSearch versions between 3.0.0 and 3.3.0 and OpenSearch 2.19.4...