What is CVE-2026-14970?

CVE-2026-14970 is a high-severity vulnerability in IBM Aix, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2026-08-19.

How severe is CVE-2026-14970?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in IBM Aix

CVE-2026-14970

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 NIM server process is crashing during client registration due to buffer overflow.

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ibm Aix — versions 7.2, 7.3
Ibm Powervm Vios — versions 4.1

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

References

psirt@us.ibm.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-14970?: CVE-2026-14970 is a high-severity vulnerability in IBM Aix, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 7.5/10. Published 2026-08-19.
How severe is CVE-2026-14970?: High severity. CVSS v3 base score is 7.5 out of 10.