{"id":"CVE-2025-9624","aliases":["EUVD-2025-199644","GHSA-mw3v-mmfw-3x2g","UBUNTU-CVE-2025-9624"],"status":"published","title":"OpenSearch 3.2.0 - Nested Boolean/Disjunction asymmetric DoS","description":"A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.\n\n\n\nThis issue affects all OpenSearch versions between 3.0.0 and \u003c 3.3.0 and OpenSearch \u003c 2.19.4.","severity":{"version":"4.0","score":8.3,"vector":"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","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00727,"percentile":0.54435,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-674"],"published":"2025-11-25T19:43:40Z","modified":"2026-10-28T11:06:38Z","fixes":[{"ecosystem":"Maven","package":"org.opensearch:opensearch-common","fixed_in":["3.3.0","2.19.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.opensearch:opensearch-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.0.0"},{"fixed":"3.3.0"}]}]},{"source":"ghsa","ecosystem":"Maven","package":"org.opensearch:opensearch-common","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.19.4"}]}]},{"source":"osv","ecosystem":"Maven","package":"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"]},{"source":"osv","ecosystem":"Maven","package":"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"]},{"source":"osv","ecosystem":"Ubuntu:24.04:LTS","package":"opensearch","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.4.1+dfsg-2"]}],"products":[{"vendor":"amazon","product":"opensearch"},{"vendor":"opensearch","product":"opensearch"}],"references":[{"url":"https://fluidattacks.com/advisories/chick","tags":["third-party-advisory","Exploit","Third Party Advisory","advisory","web","report"]},{"url":"https://github.com/opensearch-project/OpenSearch/releases/tag/3.3.0","tags":["patch","release-notes","fix","web"]},{"url":"https://github.com/opensearch-project/OpenSearch/releases/tag/2.19.4","tags":["patch","release-notes","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-9624","tags":["advisory"]},{"url":"https://opensearch.org/blog/explore-opensearch-3-3","tags":["web"]},{"url":"https://github.com/opensearch-project/OpenSearch/pull/19491","tags":["web"]},{"url":"https://caverav.cl/posts/opensearch-dos/opensearch-dos","tags":["web"]},{"url":"https://github.com/advisories/GHSA-mw3v-mmfw-3x2g"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/9xxx/CVE-2025-9624.json","tags":["advisory"]},{"url":"https://github.com/opensearch-project/OpenSearch","tags":["package"]},{"url":"https://ubuntu.com/security/CVE-2025-9624","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2025-9624","tags":["report"]},{"url":"https://opensearch.org/blog/explore-opensearch-3-3/","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2025-9624","title":"OpenSearch 3.2.0 - Nested Boolean/Disjunction asymmetric DoS","description":"A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.\n\n\n\nThis issue affects all OpenSearch versions between 3.0.0 and \u003c 3.3.0 and OpenSearch \u003c 2.19.4.","status":"published","published":"2025-11-25T19:43:40.33Z","modified":"2025-12-15T14:04:03.148Z","cvss":[{"version":"4.0","score":8.3,"vector":"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","level":"high","assessor":"cna"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:32:34.096798Z"}],"euvd":[{"id":"EUVD-2025-199644","description":"A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.\n\n\n\nThis issue affects all OpenSearch versions between 3.0.0 and \u003c 3.3.0 and OpenSearch \u003c 2.19.4.","status":"published","published":"2025-11-25T19:43:40Z","modified":"2025-12-15T14:04:03Z","cvss":[{"version":"4.0","score":8.3,"vector":"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","level":"high"}],"updated_at":"2026-11-02T19:49:05.447386Z"}],"ghsa":[{"id":"GHSA-mw3v-mmfw-3x2g","title":"OpenSearch is vulnerable to DoS via complex query_string inputs","description":"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.","status":"published","published":"2025-11-25T21:32:07Z","modified":"2026-01-22T13:50:34Z","cvss":[{"version":"4.0","score":8.3,"vector":"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","level":"high"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:39:18.564331Z"}],"nvd":[{"id":"CVE-2025-9624","description":"A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.\n\n\n\nThis issue affects all OpenSearch versions between 3.0.0 and \u003c 3.3.0 and OpenSearch \u003c 2.19.4.","status":"published","published":"2025-11-25T20:16:01.177Z","modified":"2026-10-18T20:10:00.11Z","cvss":[{"version":"4.0","score":8.3,"vector":"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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T14:11:46.94029Z"}],"osv":[{"id":"CVE-2025-9624","title":"OpenSearch 3.2.0 - Nested Boolean/Disjunction asymmetric DoS","description":"A vulnerability in OpenSearch allows attackers to cause Denial of Service (DoS) by submitting complex query_string inputs.\n\n\n\nThis issue affects all OpenSearch versions between 3.0.0 and \u003c 3.3.0 and OpenSearch \u003c 2.19.4.","status":"published","published":"2025-11-25T19:43:40.33Z","modified":"2026-10-28T11:06:38.562822665Z","cvss":[{"version":"4.0","score":8.3,"vector":"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","level":"high"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T15:44:53.490346Z"},{"id":"GHSA-mw3v-mmfw-3x2g","title":"OpenSearch is vulnerable to DoS via complex query_string inputs","description":"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.","status":"published","published":"2025-11-25T21:32:07Z","modified":"2026-09-10T03:50:58.598736932Z","cvss":[{"version":"4.0","score":8.3,"vector":"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","level":"high"}],"cwes":["CWE-674"],"updated_at":"2026-11-02T15:46:52.170928Z"},{"id":"UBUNTU-CVE-2025-9624","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 \u003c 3.3.0 and OpenSearch \u003c 2.19.4.","status":"published","published":"2025-11-25T20:16:00Z","modified":"2025-12-17T20:47:23.506554Z","cvss":[{"version":"4.0","score":8.3,"vector":"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","level":"high"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T16:55:55.926217Z"}]}}