CVE-2026-16903

Published: Aug 19, 2026Modified: Aug 21, 2026

9.6

Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Exploitability: 2.8 / Impact: 6.0

Source: psirt@us.ibm.com (Secondary)

Description

IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code or cause a denial of service due to an out-of-bounds write.

Affected (7)

Products: Ibm: Vios, Aix

Ibm

2 products

Vios

Aix

Configuration A

3 vulnerable

Vulnerable Software	Affected Versions
Ibm Vios	From 4.1.0 to 4.1.0.50
Ibm Vios	From 4.1.1.0 to 4.1.1.30
Ibm Vios	From 4.1.2.0 to 4.1.2.20

Configuration B

4 vulnerable

Vulnerable Software	Affected Versions
Ibm Aix	From 7.2.5 to 7.2.5.212
Ibm Aix	From 7.3.2 to 7.3.2.5
Ibm Aix	From 7.3.3 to 7.3.3.2
Ibm Aix	From 7.3.4 to 7.3.4.1

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (1)

https://www.ibm.com/support/pages/node/7283858

Source: psirt@us.ibm.com

PatchVendor Advisory

Timeline

No history available yet.