{"id":"CVE-2026-17220","aliases":["EUVD-2026-58231","GHSA-hq8f-q49p-7786"],"status":"published","title":"IBM i is Affected By Multiple Vulnerabilities in Host Servers","description":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and modify authentication metadata due to a buffer overflow.","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00561,"percentile":0.4714,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2026-08-13T18:49:53Z","modified":"2026-08-17T14:57:53Z","products":[{"vendor":"ibm","product":"i"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7283578","tags":["vendor-advisory","patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-17220"},{"url":"https://github.com/advisories/GHSA-hq8f-q49p-7786"}],"sources":{"cve":[{"id":"CVE-2026-17220","title":"IBM i is Affected By Multiple Vulnerabilities in Host Servers","description":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and modify authentication metadata due to a buffer overflow.","status":"published","published":"2026-08-13T18:49:53.474Z","modified":"2026-08-13T19:26:14.893Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:19:54.50686Z"}],"euvd":[{"id":"EUVD-2026-58231","description":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and modify authentication metadata due to a buffer overflow.","status":"published","published":"2026-08-13T18:49:53Z","modified":"2026-08-13T19:26:14Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:55.248337Z"}],"ghsa":[{"id":"GHSA-hq8f-q49p-7786","title":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and...","description":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and modify authentication metadata due to a buffer overflow.","status":"published","published":"2026-08-13T21:36:05Z","modified":"2026-08-13T21:36:08Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T15:10:26.766632Z"}],"nvd":[{"id":"CVE-2026-17220","description":"IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service and modify authentication metadata due to a buffer overflow.","status":"published","published":"2026-08-13T19:17:18.81Z","modified":"2026-08-17T14:57:53.307Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-120"],"updated_at":"2026-11-02T14:12:37.557758Z"}]}}