CVE-2026-16982

Undergoing Analysis Undergoing Analysis - In Progress

Heap Buffer Overflow in IBM i

Publication date: 2026-08-13

Last updated on: 2026-08-13

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 heap buffer overflow.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-08-13

Last Modified

2026-08-13

Generated

2026-08-14

AI Q&A

2026-08-14

EPSS Evaluated

N/A

NVD

CVE-2026-16982

EUVD

EUVD-2026-58232

Affected Vendors & Products

Vendor	Product	Version / Range
ibm	i	7.6
ibm	i	7.5
ibm	i	7.4
ibm	i	7.3

Helpful Resources

Exploitability

CWE

KEV

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

Attack-Flow Graph

Executive Summary

IBM i versions 7.6, 7.5, 7.4, and 7.3 are vulnerable to a denial of service attack due to a heap buffer overflow. This flaw allows a remote attacker to exploit memory corruption, potentially crashing the system or disrupting services.

Impact Analysis

If exploited, this vulnerability could cause system instability, leading to service outages or crashes. It may disrupt critical operations if the affected IBM i system is used for business processes, data processing, or hosting applications.

Mitigation Strategies

Apply the latest IBM i PTFs or updates provided by IBM to address the heap buffer overflow issue. Monitor IBM's security advisories for patches and test them in a non-production environment before deployment.

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