CVE-2026-82120
Received
Received - Intake
Heap-based Buffer Overflow in HiRDB Server
Vulnerability report for CVE-2026-82120, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-10-27
Last updated on: 2026-10-27
Assigner: Hitachi, Ltd.
Description
Description
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 Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Hitachi | HiRDB Server Version 10 | 10-00 |
| Hitachi | HiRDB Server Version 9 | 09-00 |
| Hitachi | HiRDB Server with Additional Function Version 9 | 09-00 |
| Hitachi | HiRDB Server Version 9(32) | 09-02 |
| Hitachi | HiRDB Server with Additional Function Version 9(32) | 09-00 |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-122 | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). |
