CVE-2026-82120
Heap-based Buffer Overflow Vulnerability in HiRDB
Heap-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.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| HiRDB Server Version 10 Hitachi |
≥ 10-00; < 10-12-01 (affected, custom); unaffected at 10-12-01; unaffected at 10-11-02; unaffected at 10-08-05
Other versions: unaffected |
CNA: Hitachi |
| HiRDB Server Version 9 Hitachi |
≥ 09-00; ≤ 09-66-22 (affected, custom)
Other versions: unaffected |
CNA: Hitachi |
| HiRDB Server with Additional Function Version 9 Hitachi |
≥ 09-00; ≤ 09-66/V (affected, custom)
Other versions: unaffected |
CNA: Hitachi |
| HiRDB Server Version 9(32) Hitachi |
≥ 09-02; ≤ 09-66-22 (affected, custom)
Other versions: unaffected |
CNA: Hitachi |
| HiRDB Server with Additional Function Version 9(32) Hitachi |
≥ 09-00; ≤ 09-66-/V (affected, custom)
Other versions: unaffected |
CNA: Hitachi |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 9.8 critical |
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CNA: Hitachi |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://www.hitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-147/index.htmlCNA: Hitachi · vendor-advisory
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