CVE-2026-17470
Received Received - Intake

Buffer Overflow in IBM i

Publication date: 2026-09-04

Last updated on: 2026-09-04

Assigner: IBM Corporation

Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to a buffer overflow.

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Meta Information

Published
2026-09-04
Last Modified
2026-09-04
Generated
2026-09-05
AI Q&A
2026-09-04
EPSS Evaluated
N/A
NVD
CVE-2026-17470
EUVD
EUVD-2026-71469

Affected Vendors & Products

Currently, no data is known.

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-787 The product writes data past the end, or before the beginning, of the intended buffer.

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Executive Summary

This vulnerability is a buffer overflow issue in IBM i operating systems versions 7.6, 7.5, 7.4, and 7.3. A remote attacker could exploit this to cause a denial of service by sending specially crafted input that exceeds buffer limits.

Impact Analysis

The impact includes system instability or unavailability due to the denial of service. It does not allow data theft or code execution but may disrupt services relying on the affected IBM i systems.

Mitigation Strategies

Apply IBM i PTFs or updates as soon as they become available to address the buffer overflow issue. Monitor IBM's security advisories for patches and follow their recommended mitigation steps.

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