{"id":"CVE-2023-27559","aliases":["EUVD-2023-31313","GHSA-g7cg-jg33-rrhv"],"status":"published","title":"IBM Db2 denial of service","description":"IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to a denial of service as the server may crash when using a specially crafted subquery.  IBM X-Force ID:  249196.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00938,"percentile":0.61197,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2023-04-26T19:02:45Z","modified":"2026-06-17T05:45:27Z","products":[{"vendor":"ibm","product":"db2"},{"vendor":"ibm","product":"db2 for linux, unix and windows"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6985667","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/249196","tags":["vdb-entry","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://security.netapp.com/advisory/ntap-20230511-0010/","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-27559"},{"url":"https://https://www.ibm.com/support/pages/node/6985667"},{"url":"https://github.com/advisories/GHSA-g7cg-jg33-rrhv"}],"sources":{"cve":[{"id":"CVE-2023-27559","title":"IBM Db2 denial of service","description":"IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to a denial of service as the server may crash when using a specially crafted subquery.  IBM X-Force ID:  249196.","status":"published","published":"2023-04-26T19:02:45.54Z","modified":"2024-11-21T18:43:08.35Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:26.63732Z"}],"euvd":[{"id":"EUVD-2023-31313","description":"IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to a denial of service as the server may crash when using a specially crafted subquery.  IBM X-Force ID:  249196.","status":"published","published":"2023-04-26T19:02:45Z","modified":"2024-11-21T18:43:08Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:04:52.521149Z"}],"ghsa":[{"id":"GHSA-g7cg-jg33-rrhv","title":"IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is...","description":"IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to a denial of service as the server may crash when using a specially crafted subquery.  IBM X-Force ID:  249196.","status":"published","published":"2023-04-26T21:30:37Z","modified":"2024-02-10T05:08:19Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:55:35.698137Z"}],"nvd":[{"id":"CVE-2023-27559","description":"IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to a denial of service as the server may crash when using a specially crafted subquery.  IBM X-Force ID:  249196.","status":"published","published":"2023-04-26T20:15:09.9Z","modified":"2026-06-17T05:45:27.34Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H","level":"medium","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":"2026-11-02T14:07:59.151142Z"}]}}