CVE-2026-82120: critical vulnerability in Hitachi HiRDB Server Version 10
Heap-based Buffer Overflow Vulnerability in HiRDB
Published · Updated
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28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.8epss 0.4%
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Hitachi · HiRDB Server Version 10Hitachi · HiRDB Server Version 9Hitachi · HiRDB Server Version 9(32)Hitachi · HiRDB Server with Additional Function Version 9Hitachi · HiRDB Server with Additional Function Version 9(32)Related CVEs — Hitachi HiRDB Server Version 10
In the same product, most dangerous first.
CVE-2026-82119CRITICALOS Command Injection Vulnerability in HiRDBEPSS 1.0%CVE-2026-82117CRITICALAuthentication Bypass by Spoofing Vulnerability in HiRDBEPSS 0.6%CVE-2026-82116CRITICALMissing Authentication for Critical Function Vulnerability in HiRDBEPSS 0.6%CVE-2026-82118CRITICALStack-based Buffer Overflow Vulnerability in HiRDBEPSS 0.5%CVE-2026-82122CRITICALStack-based Buffer Overflow Vulnerability in HiRDBEPSS 0.5%CVE-2026-82121HIGHOrigin Validation Error Vulnerability in HiRDBEPSS 0.2%