CVE-2026-82122

Stack-based Buffer Overflow Vulnerability in HiRDB

State: Published
Severity: 9.4 Critical
Published: Oct 27, 2026
Updated: Oct 27, 2026
Reserved: Aug 28, 2026

Description

Stack-based Buffer Overflow Vulnerability in HiRDB.

This 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.

Scores

CVSS	Score	Vector	Source
3.1	9.4 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L	Hitachi

Weaknesses

CWE-121 Stack-based buffer overflow

Affected Products

Product	Versions
HiRDB Server Version 10Hitachi	10-00 to before 10-12-01Affectedfrom 10-12-01Not affectedfrom 10-11-02Not affectedfrom 10-08-05Not affected
HiRDB Server Version 9Hitachi	09-00 through 09-66-22Affected
HiRDB Server with Additional Function Version 9Hitachi	09-00 through 09-66/VAffected
HiRDB Server Version 9(32)Hitachi	09-02 through 09-66-22Affected
HiRDB Server with Additional Function Version 9(32)Hitachi	09-00 through 09-66-/VAffected

References

https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-144/index.htmlvendor-advisory

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