{"id":"CVE-2023-30991","aliases":["EUVD-2023-35329","GHSA-rgrr-m4xm-32mh"],"status":"published","title":"IBM Db2 denial of service","description":"IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 is vulnerable to denial of service with a specially crafted query.  IBM X-Force ID:  254037.","severity":{"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":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01018,"percentile":0.63626,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2023-10-16T22:53:03Z","modified":"2026-06-17T05:56:01Z","products":[{"vendor":"ibm","product":"db2"},{"vendor":"ibm","product":"db2 for linux, unix and windows"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7047499","tags":["vendor-advisory","x_transferred","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/254037","tags":["vdb-entry","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20231116-0005/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-30991"},{"url":"https://github.com/advisories/GHSA-rgrr-m4xm-32mh"}],"sources":{"cve":[{"id":"CVE-2023-30991","title":"IBM Db2 denial of service","description":"IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 is vulnerable to denial of service with a specially crafted query.  IBM X-Force ID:  254037.","status":"published","published":"2023-10-16T22:53:03.651Z","modified":"2025-02-13T16:49:40.705Z","cvss":[{"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":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:22.640346Z"}],"euvd":[{"id":"EUVD-2023-35329","description":"IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 is vulnerable to denial of service with a specially crafted query.  IBM X-Force ID:  254037.","status":"published","published":"2023-10-16T22:53:03Z","modified":"2025-02-13T16:49:40Z","cvss":[{"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":"2026-11-03T00:03:50.427692Z"}],"ghsa":[{"id":"GHSA-rgrr-m4xm-32mh","title":"IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 is vulnerable to...","description":"IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 is vulnerable to denial of service with a specially crafted query.  IBM X-Force ID:  254037.","status":"published","published":"2023-10-17T00:30:17Z","modified":"2023-11-25T05:04:19Z","cvss":[{"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"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:55:06.358976Z"}],"nvd":[{"id":"CVE-2023-30991","description":"IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 is vulnerable to denial of service with a specially crafted query.  IBM X-Force ID:  254037.","status":"published","published":"2023-10-16T23:15:10.147Z","modified":"2026-06-17T05:56:01.947Z","cvss":[{"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":"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-20"],"updated_at":"2026-11-02T14:08:37.83429Z"}]}}