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01 Record

CVE-2026-82120

Heap-based Buffer Overflow Vulnerability in HiRDB

CriticalPUBLISHEDCNA: Hitachi
CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

02 Description

Heap-based Buffer Overflow Vulnerability in HiRDB

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.36% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 30.0% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Deferred. NVD last modified this record on 2026-10-27.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-10-27 09:37Z2 DAYS AGO
Last updated
2026-10-27 09:37Z2 DAYS AGO
Reserved
2026-08-28
Assigning CNA
Hitachi
Record state
PUBLISHED
Severity
Critical (CVSS 9.8)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-122Heap-based Buffer OverflowVariant
Data version
5.2
Document digest
0c554e6e21f5badfc4ee65712e323942cac648a407669e6bbcca7c29e4fc3e6c

05 Affected products

VendorProductVersionsPlatforms
HitachiHiRDB Server Version 1010-00 to < 10-12-01—
HitachiHiRDB Server Version 909-00 to 09-66-22—
HitachiHiRDB Server Version 9(32)09-02 to 09-66-22—

06 References