CVE-2026-76939
Received Received - Intake

Heap-based Buffer Overflow in JP1/Automatic Job Management System 3

Publication date: 2026-10-27

Last updated on: 2026-10-27

Assigner: Hitachi, Ltd.

Description
Heap-based Buffer Overflow Vulnerability in JP1/Automatic Job Management System 3. This issue affects JP1/Automatic Job Management System 3 - Manager: from 11-00 before 13-50-31; JP1/Automatic Job Management System 3 - Agent: from 11-00 before 13-50-31.

CVSS Scores

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Meta Information

Published
2026-10-27
Last Modified
2026-10-27
Generated
2026-10-27
AI Q&A
2026-10-27
EPSS Evaluated
N/A
NVD
CVE-2026-76939
EUVD
EUVD-2026-110661

Affected Vendors & Products

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Exploitability

CWE
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KEV
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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().

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Executive Summary

This is a heap-based buffer overflow vulnerability in Hitachi JP1/Automatic Job Management System 3. It affects both the Manager and Agent components when versions are between 11-00 and before 13-50-31. A heap-based buffer overflow occurs when a program writes more data to a buffer than it can hold, potentially allowing attackers to execute arbitrary code or cause system crashes.

Impact Analysis

This vulnerability could allow remote attackers to execute arbitrary code, gain unauthorized access, or cause denial-of-service conditions on systems running vulnerable versions of JP1/Automatic Job Management System 3. Since the CVSS score is 9.8 (Critical), the impact is severe and could lead to complete system compromise.

Mitigation Strategies

Update JP1/Automatic Job Management System 3 - Manager and Agent to versions 13-50-31 or later to address the heap-based buffer overflow vulnerability.

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