CVE-2026-16824: CWE-400 Uncontrolled Resource Consumption in IBM AIX
Description
CVE-2026-16824 is a high-severity vulnerability affecting IBM AIX versions 7.2 and 7.3, as well as IBM PowerVM VIOS 4.1. It involves uncontrolled resource consumption caused by unbounded recursion, which can be triggered remotely and lead to a denial of service condition.
CVSS v3.1
Score 7.5high
Affected software
IBM
AIX
IBM
PowerVM VIOS
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 in IBM AIX 7.2, 7.3, and IBM PowerVM VIOS 4.1 allows a remote attacker to cause a denial of service due to unbounded recursion, classified under CWE-400 (Uncontrolled Resource Consumption). The CVSS v3.1 score is 7.5, indicating high severity, with an attack vector of network (AV:N), low attack complexity (AC:L), no privileges required (PR:N), no user interaction (UI:N), unchanged scope (S:U), no confidentiality or integrity impact (C:N/I:N), and high impact on availability (A:H).
Potential Impact
Successful exploitation results in denial of service by exhausting system resources through unbounded recursion. There is no impact on confidentiality or integrity, but availability is severely affected.
Mitigation Recommendations
No patch or official fix information is provided in the available data. Patch status is not yet confirmed — check the IBM vendor advisory for current remediation guidance. Until a fix is available, monitor for vendor updates and apply any recommended mitigations.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-07-24T02:14:46.139Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a860605acd9273b49871a9c
Added to database: 08/19/2026, 19:37:41 UTC
Last enriched: 09/11/2026, 06:32:27 UTC
Last updated: 10/04/2026, 10:02:25 UTC
Views: 62
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