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CVE-2026-16824: CWE-400 Uncontrolled Resource Consumption in IBM AIX

0
High
VulnerabilityCVE-2026-16824cvecve-2026-16824cwe-400
Published: 08/19/2026 (08/19/2026, 19:26:31 UTC)
Source: CVE Database V5
Vendor/Project: IBM
Product: AIX

Description

CVE-2026-16824 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 through unbounded recursion. This uncontrolled resource consumption can lead to system instability or crash. No official patch or remediation details are currently available.

CVSS v3.1

Score 7.5high

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

Affected software

ibm/aix
pkg:rpm/ibm/aix
Affected versions
=7.2=7.3
ibm/powervm_vios
pkg:rpm/ibm/powervm_vios
Affected versions
=4.1
CPE configurations (6)
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.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/19/2026, 19:52:16 UTC

Technical Analysis

This vulnerability, identified as CWE-400 (Uncontrolled Resource Consumption), affects IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1. It allows a remote attacker to trigger unbounded recursion, resulting in denial of service. The CVSS v3.1 base score is 7.5, indicating high severity with network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability (denial of service). There is no vendor advisory or patch information provided at this time.

Potential Impact

An attacker can remotely cause a denial of service condition by exploiting unbounded recursion, which consumes system resources excessively and may crash or destabilize the affected systems. There is no reported impact on confidentiality or integrity.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, consider restricting network access to affected systems and monitoring for unusual resource consumption patterns related to this vulnerability.

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Technical Details

Data Version
5.2
Assigner Short Name
ibm
Date Reserved
2026-07-24T02:14:46.139Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a860605acd9273b49871a9c

Added to database: 08/19/2026, 19:37:41 UTC

Last enriched: 08/19/2026, 19:52:16 UTC

Last updated: 08/20/2026, 01:12:16 UTC

Views: 4

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