CVE-2026-16831: CWE-400 Uncontrolled Resource Consumption in IBM AIX
CVE-2026-16831 is a high-severity vulnerability in IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1, that allows a remote attacker to cause a denial of service by triggering uncontrolled resource consumption.
AI Analysis
Technical Summary
This vulnerability (CWE-400) affects IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1, where a remote attacker can cause a denial of service condition due to uncontrolled resource consumption. The CVSS v3.1 score is 7.5, reflecting network attack vector, low attack complexity, no privileges required, no user interaction, and an impact limited to availability (denial of service). No confidentiality or integrity impact is indicated. There is no vendor advisory or patch information currently available, and no known exploits in the wild have been reported.
Potential Impact
An attacker can remotely cause a denial of service by exhausting system resources, impacting system availability on affected IBM AIX and PowerVM VIOS versions. Confidentiality and integrity are not affected according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, monitor for unusual resource consumption patterns and consider limiting exposure of affected services to untrusted networks.
CVE-2026-16831: CWE-400 Uncontrolled Resource Consumption in IBM AIX
Description
CVE-2026-16831 is a high-severity vulnerability in IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1, that allows a remote attacker to cause a denial of service by triggering uncontrolled resource consumption.
CVSS v3.1
Score 7.5high
Affected software
cpe:2.3:a:ibm:aix:7.2:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.2.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.3:*:*:*:*:*:*:*cpe:2.3:a:ibm:aix:7.3.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:powervm_vios:4.1:*:*:*:*:*:*:*cpe:2.3:a:ibm:powervm_vios:4.1.0:*:*:*:*:*:*:*Run on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-400) affects IBM AIX 7.2 and 7.3 and IBM PowerVM VIOS 4.1, where a remote attacker can cause a denial of service condition due to uncontrolled resource consumption. The CVSS v3.1 score is 7.5, reflecting network attack vector, low attack complexity, no privileges required, no user interaction, and an impact limited to availability (denial of service). No confidentiality or integrity impact is indicated. There is no vendor advisory or patch information currently available, and no known exploits in the wild have been reported.
Potential Impact
An attacker can remotely cause a denial of service by exhausting system resources, impacting system availability on affected IBM AIX and PowerVM VIOS versions. Confidentiality and integrity are not affected according to the CVSS vector.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, monitor for unusual resource consumption patterns and consider limiting exposure of affected services to untrusted networks.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T02:32:24.528Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a860605acd9273b49871aa4
Added to database: 08/19/2026, 19:37:41 UTC
Last enriched: 08/19/2026, 19:52:09 UTC
Last updated: 08/19/2026, 21:17:42 UTC
Views: 34
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