CVE-2026-16861: CWE-125 Out-of-bounds Read
CVE-2026-16861 is an out-of-bounds read vulnerability in IBM i versions 7.3, 7.4, 7.5, and 7.6. This flaw could allow a remote attacker to cause a denial of service on affected systems. The vulnerability does not impact confidentiality or integrity but affects availability by potentially crashing the system or service.
AI Analysis
Technical Summary
IBM i versions 7.3 through 7.6 contain a vulnerability classified as CWE-125 (Out-of-bounds Read) that can be triggered remotely. Exploitation of this flaw may lead to a denial of service condition by reading memory outside the intended bounds. The CVSS 3.1 base score is 5.3, reflecting a medium severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. There is no vendor advisory or patch information currently available, and no known exploits in the wild have been reported.
Potential Impact
The vulnerability allows remote attackers to cause a denial of service by triggering an out-of-bounds read. There is no impact on confidentiality or integrity, only availability is affected.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, monitor IBM's official channels for updates and apply any recommended mitigations once released.
CVE-2026-16861: CWE-125 Out-of-bounds Read
Description
CVE-2026-16861 is an out-of-bounds read vulnerability in IBM i versions 7.3, 7.4, 7.5, and 7.6. This flaw could allow a remote attacker to cause a denial of service on affected systems. The vulnerability does not impact confidentiality or integrity but affects availability by potentially crashing the system or service.
CVSS v3.1
Score 5.3medium
Affected software
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:*:*:*:*:*:*:*Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
IBM i versions 7.3 through 7.6 contain a vulnerability classified as CWE-125 (Out-of-bounds Read) that can be triggered remotely. Exploitation of this flaw may lead to a denial of service condition by reading memory outside the intended bounds. The CVSS 3.1 base score is 5.3, reflecting a medium severity with network attack vector, low attack complexity, no privileges required, and no user interaction needed. There is no vendor advisory or patch information currently available, and no known exploits in the wild have been reported.
Potential Impact
The vulnerability allows remote attackers to cause a denial of service by triggering an out-of-bounds read. There is no impact on confidentiality or integrity, only availability is affected.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, monitor IBM's official channels for updates and apply any recommended mitigations once released.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T03:52:45.297Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a7e2501bf8831d539bec077
Added to database: 08/13/2026, 20:11:45 UTC
Last enriched: 08/13/2026, 20:28:36 UTC
Last updated: 08/14/2026, 00:42:44 UTC
Views: 4
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