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CVE-2026-16929: CWE-787 Out-of-bounds Write

0
Medium
VulnerabilityCVE-2026-16929cvecve-2026-16929cwe-787
Published: 08/13/2026 (08/13/2026, 18:54:18 UTC)
Source: CVE Database V5
Vendor/Project: IBM

Description

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to obtain sensitive information due to a buffer overflow.

CVSS v3.1

Score 5.3medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected software

IBM

Affected versions
=7.6=7.5=7.4=7.3
CPE configurations (8)
cpe:2.3:a:ibm:i:7.6:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.6.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:i:7.4.0:*:*:*:*:*:*:*

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/21/2026, 13:13:16 UTC

Technical Analysis

This vulnerability (CVE-2026-16929) affects IBM i versions 7.3 through 7.6 and is classified as a CWE-787 out-of-bounds write due to a buffer overflow condition. A remote attacker with authentication privileges could exploit this flaw to obtain sensitive information. The CVSS 3.1 base score is 5.3 (medium), with network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability (denial of service) rather than confidentiality or integrity. No known exploits are reported in the wild, and no vendor remediation level or patch information is currently available.

Potential Impact

The impact is limited to potential denial of service or sensitive information disclosure caused by a buffer overflow. The vulnerability requires remote authentication but no user interaction. There is no indication of integrity or confidentiality impact beyond sensitive information disclosure. No active exploitation is known.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or remediation level is provided, monitor IBM's advisories for updates. Until a patch is available, restrict remote authenticated access to trusted users only and apply standard access controls.

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Technical Details

Data Version
5.2
Assigner Short Name
ibm
Date Reserved
2026-07-24T07:23:07.216Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a7e1a7dbf8831d539b18068

Added to database: 08/13/2026, 19:26:53 UTC

Last enriched: 08/21/2026, 13:13:16 UTC

Last updated: 09/26/2026, 01:47:40 UTC

Views: 24

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