CVE-2026-17121 in AIX

Summary

by MITRE • 08/21/2026

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.

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• Responsible: Ibm
• Reservation: 07/24/2026
• Disclosure: 08/21/2026
• Moderation: accepted
• Entry: VDB-393980
• CPE: ready
• CWE: CWE-674 (confirmed)
• CVSS: 7.5 (CNA)
• EPSS: 0.00000
• KEV: no
• Activities: very low
• Sector: Telecommunication, Homeoffice, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-17121
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-17121
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-17121/