{"id":"UBUNTU-CVE-2025-9624","details":"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 \u003c 3.3.0 and OpenSearch \u003c 2.19.4.","modified":"2025-12-17T20:47:23.506554Z","published":"2025-11-25T20:16:00Z","upstream":["CVE-2025-9624"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-9624"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2025-9624"},{"type":"REPORT","url":"https://fluidattacks.com/advisories/chick"},{"type":"REPORT","url":"https://opensearch.org/blog/explore-opensearch-3-3/"}],"affected":[{"package":{"name":"opensearch","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/opensearch@2.4.1+dfsg-2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.1+dfsg-2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.4.1+dfsg-2","binary_name":"libopensearch-java"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-9624.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V4","score":"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"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}