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9.4

HiRDB Server can overflow memory and crash

CVE-2026-82122 · published today
Summary

Certain versions of Hitachi HiRDB Server (9 and 10, including 32‑bit and additional‑function editions) contain a flaw that can cause the program to write beyond its intended memory area. This can lead to program crashes or allow an attacker to run code on the server. Update to the latest release from Hitachi or apply the vendor’s recommended patch as soon as possible.

What to do
  • Update hitachi hirdb server version 10 to version 10-08-05.
Affected software
VendorProductAffected versions
hitachi hirdb server version 10 < 10-12-01
Fix: upgrade to 10-08-05
hitachi hirdb server version 9 <= 09-66-22
hitachi hirdb server with additional function version 9 <= 09-66/V
hitachi hirdb server version 9(32) <= 09-66-22
hitachi hirdb server with additional function version 9(32) <= 09-66-/V
Original advisory text
Stack-based Buffer Overflow Vulnerability in HiRDB
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.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
9.4 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-121Stack-based Buffer Overflow
Timeline
Published27 Oct 2026
Updated27 Oct 2026
First seen27 Oct 2026
Sources
CVE-2026-82122 · NVD
CVE-2026-82122 · MITRE
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