CVE-2026-17121

HIGH CVSS 3.1: 7.5 EPSS 0.39%
Updated Aug 24, 2026
IBM
Parameter Value
CVSS 7.5 (HIGH)
Affected Versions 4.1.0 — 7.3.4.1
Fixed In 4.1.0.50
Type CWE-400 (Uncontrolled Resource Consumption), CWE-674
Vendor IBM
Public PoC No

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to uncontrolled recursion.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1

Vulnerable Products 7

Configuration From (including) Up to (excluding)
Ibm Vios
cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*
4.1.0 4.1.0.50
Ibm Vios
cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*
4.1.1.0 4.1.1.30
Ibm Vios
cpe:2.3:a:ibm:vios:*:*:*:*:*:*:*:*
4.1.2.0 4.1.2.20
Ibm Aix
cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
7.2.5 <= 7.2.5.212
Ibm Aix
cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
7.3.2 <= 7.3.2.5
Ibm Aix
cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
7.3.3 <= 7.3.3.2
Ibm Aix
cpe:2.3:o:ibm:aix:*:*:*:*:*:*:*:*
7.3.4 <= 7.3.4.1