{"id":"GHSA-mw3v-mmfw-3x2g","summary":"OpenSearch is vulnerable to DoS via complex query_string inputs","details":"A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.\n\nThis issue affects all OpenSearch versions below 2.19.4 and versions 3.0.0 through 3.2.0.","aliases":["CVE-2025-9624"],"modified":"2026-09-10T03:50:58.598736932Z","published":"2025-11-25T21:32:07Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2025-11-26T22:10:36Z","nvd_published_at":"2025-11-25T20:16:01Z","cwe_ids":["CWE-674"],"severity":"HIGH"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-9624"},{"type":"WEB","url":"https://github.com/opensearch-project/OpenSearch/pull/19491"},{"type":"WEB","url":"https://caverav.cl/posts/opensearch-dos/opensearch-dos"},{"type":"WEB","url":"https://fluidattacks.com/advisories/chick"},{"type":"PACKAGE","url":"https://github.com/opensearch-project/OpenSearch"},{"type":"WEB","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/2.19.4"},{"type":"WEB","url":"https://github.com/opensearch-project/OpenSearch/releases/tag/3.3.0"},{"type":"WEB","url":"https://opensearch.org/blog/explore-opensearch-3-3"}],"affected":[{"package":{"name":"org.opensearch:opensearch-common","ecosystem":"Maven","purl":"pkg:maven/org.opensearch/opensearch-common"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.3.0"}]}],"versions":["3.0.0","3.1.0","3.2.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/11/GHSA-mw3v-mmfw-3x2g/GHSA-mw3v-mmfw-3x2g.json"}},{"package":{"name":"org.opensearch:opensearch-common","ecosystem":"Maven","purl":"pkg:maven/org.opensearch/opensearch-common"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.19.4"}]}],"versions":["2.10.0","2.11.0","2.11.1","2.12.0","2.13.0","2.14.0","2.15.0","2.16.0","2.17.0","2.17.1","2.18.0","2.19.0","2.19.1","2.19.2","2.19.3","2.6.0","2.7.0","2.8.0","2.9.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/11/GHSA-mw3v-mmfw-3x2g/GHSA-mw3v-mmfw-3x2g.json"}}],"schema_version":"1.9.0","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"}]}