---
id: CVE-2026-82118
title: Stack-based Buffer Overflow Vulnerability in HiRDB
summary: >-
  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 09-0…
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-121
vendor: Hitachi
product: HiRDB Server Version 10
affected:
  - hirdb_server_version_10 >= 10-00 < 10-12-01
  - hirdb_server_version_9 >= 09-00 <= 09-66-22
  - hirdb_server_with_additional_function_version_9 >= 09-00 <= 09-66/V
  - hirdb_server_version_9_32 >= 09-02 <= 09-66-22
  - hirdb_server_with_additional_function_version_9_32 >= 09-00 <= 09-66-/V
published: '2026-10-27'
updated: '2026-10-27'
sourceUpdated: '2026-10-27T09:37:24.314Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-82118'
references:
  - url: >-
      https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-147/index.html
tags:
  - cve.org
epss: 0.00519
epssPercentile: 0.43926
ingestedAt: '2026-10-27T16:11:59.260Z'
---

## Overview

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.

## Affected

- `hirdb_server_version_10 >= 10-00 < 10-12-01`
- `hirdb_server_version_9 >= 09-00 <= 09-66-22`
- `hirdb_server_with_additional_function_version_9 >= 09-00 <= 09-66/V`
- `hirdb_server_version_9_32 >= 09-02 <= 09-66-22`
- `hirdb_server_with_additional_function_version_9_32 >= 09-00 <= 09-66-/V`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.