by Kastro
Paper/Archive/CVE-2026-82120

CVE-2026-82120

Hitachi HiRDB Server Version 10 — Heap-based Buffer Overflow Vulnerability in HiRDB

EPSS 0.4%CVSS 9.8
critical.is priorityof 100
35
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 30.1.301 × 206.0No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
HiRDB Server Version 1010-00 – < 10-12-0110-12-01CNA
HiRDB Server Version 909-00 – 09-66-22–CNA
HiRDB Server with Additional Function Version 909-00 – 09-66/V–CNA
HiRDB Server Version 9(32)09-02 – 09-66-22–CNA
HiRDB Server with Additional Function Version 9(32)09-00 – 09-66-/V–CNA

Scores by source

Hitachi (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

advisoryhitachi.com/products/it/software/security/info/vuls/hitachi-sec-2026-147/index.html