{"id":"CVE-2026-82120","aliases":[],"title":"Heap-based Buffer Overflow Vulnerability in HiRDB","titleSource":"Hitachi","descriptionSource":"Hitachi","products":[{"vendor":"Hitachi","name":"HiRDB Server Version 10","platforms":[],"versions":[{"version":"10-00","status":"affected","lessThan":"10-12-01","versionType":"custom","changes":[{"at":"10-12-01","status":"unaffected"},{"at":"10-11-02","status":"unaffected"},{"at":"10-08-05","status":"unaffected"}]}],"defaultStatus":"unaffected","source":"Hitachi","url":"https://www.cve.org/CVERecord?id=CVE-2026-82120"},{"vendor":"Hitachi","name":"HiRDB Server Version 9","platforms":[],"versions":[{"version":"09-00","status":"affected","lessThanOrEqual":"09-66-22","versionType":"custom"}],"defaultStatus":"unaffected","source":"Hitachi","url":"https://www.cve.org/CVERecord?id=CVE-2026-82120"},{"vendor":"Hitachi","name":"HiRDB Server with Additional Function Version 9","platforms":[],"versions":[{"version":"09-00","status":"affected","lessThanOrEqual":"09-66/V","versionType":"custom"}],"defaultStatus":"unaffected","source":"Hitachi","url":"https://www.cve.org/CVERecord?id=CVE-2026-82120"},{"vendor":"Hitachi","name":"HiRDB Server Version 9(32)","platforms":[],"versions":[{"version":"09-02","status":"affected","lessThanOrEqual":"09-66-22","versionType":"custom"}],"defaultStatus":"unaffected","source":"Hitachi","url":"https://www.cve.org/CVERecord?id=CVE-2026-82120"},{"vendor":"Hitachi","name":"HiRDB Server with Additional Function Version 9(32)","platforms":[],"versions":[{"version":"09-00","status":"affected","lessThanOrEqual":"09-66-/V","versionType":"custom"}],"defaultStatus":"unaffected","source":"Hitachi","url":"https://www.cve.org/CVERecord?id=CVE-2026-82120"}],"remediation":[],"description":"Heap-based Buffer Overflow Vulnerability in HiRDB.\n\n\nThis issue affects HiRDB Server Version 10: from 10-00 before 10-12-01; HiRDB Server Version 9: from 09-00 through 09-66-22; HiRDB Server with Additional Function Version 9: from 09-00 through 09-66/V; HiRDB Server Version 9(32): from 09-02 through 09-66-22; HiRDB Server with Additional Function Version 9(32): from 09-00 through 09-66-/V.","severity":"critical","score":9.8,"published":"2026-10-27T09:37:23.382Z","modified":"2026-10-27T09:37:23.382Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-147/index.html"],"sources":[{"name":"CVE","id":"CVE-2026-82120","modified":"2026-10-27T09:37:23.382Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-82120"}],"assessments":[{"source":"Hitachi","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T15:40:31.878Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}