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CVE-2026-17226: CWE-125 Out-of-bounds Read

0
Medium
VulnerabilityCVE-2026-17226cvecve-2026-17226cwe-125
Published: 08/13/2026 (08/13/2026, 20:28:39 UTC)
Source: CVE Database V5
Vendor/Project: IBM

Description

CVE-2026-17226 is a medium severity vulnerability in IBM i versions 7.3, 7.4, 7.5, and 7.6. It involves an out-of-bounds read that could allow a remote authenticated attacker to access sensitive information or cause a denial of service. The vulnerability requires low attack complexity and no user interaction. No official patch or remediation guidance is currently confirmed.

CVSS v3.1

Score 5.4medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/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, 13:47:31 UTC

Technical Analysis

This vulnerability, identified as CWE-125 (Out-of-bounds Read), affects IBM i operating system versions 7.3 through 7.6. It allows a remote attacker with authentication privileges to read memory outside the intended bounds, potentially exposing sensitive information or causing a denial of service condition. The CVSS 3.1 base score is 5.4, reflecting a medium impact with network attack vector, low attack complexity, and no user interaction required. The vulnerability does not impact integrity but affects confidentiality and availability. No vendor advisory or patch information is currently available.

Potential Impact

An attacker who is remotely authenticated could exploit this vulnerability to read memory beyond intended boundaries, potentially gaining access to sensitive information or causing the system to crash, resulting in denial of service. The impact on confidentiality is limited, and integrity is not affected. Availability impact is low but present due to possible denial of service.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, monitor IBM's security advisories for updates. No specific mitigation steps are provided by the vendor at this time.

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Technical Details

Data Version
5.2
Assigner Short Name
ibm
Date Reserved
2026-07-24T20:27:41.320Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a7e2c1bbf8831d539c6f67a

Added to database: 08/13/2026, 20:42:03 UTC

Last enriched: 08/21/2026, 13:47:31 UTC

Last updated: 09/27/2026, 13:47:42 UTC

Views: 72

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