CVE-2026-82122

Critical

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.

SeverityCritical
CVSS9.4
Exploit probability—
ProductHiRDB Server Version 10
PublishedOct 27, 2026
First seenOct 27, 2026
Weakness typeCWE-121CWE-121

How to fix

Update
  • Hitachi HiRDB Server Version 1010-12-01 or later

Affected products

ProductAffected versionsFixed in
Hitachi HiRDB Server Version 1010-00 ≤ v < 10-12-0110-12-01
Hitachi HiRDB Server Version 909-00 ≤ v ≤ 09-66-22—
Hitachi HiRDB Server with Additional Function Version 909-00 ≤ v ≤ 09-66/V—
Hitachi HiRDB Server Version 9(32)09-02 ≤ v ≤ 09-66-22—
Hitachi HiRDB Server with Additional Function Version 9(32)09-00 ≤ v ≤ 09-66-/V—

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