CVE-2026-17157
published 2026-08-20CVE-2026-17157: IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to a stack buffer overflow.
PriorityP259critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.56%
44.5th percentile
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to a stack buffer overflow.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| ibm | aix | — | — |
| ibm | aix | — | — |
| ibm | aix | 7.2.5 – 7.2.5.212 | — |
| ibm | aix | 7.3.2 – 7.3.2.5 | — |
| ibm | aix | 7.3.3 – 7.3.3.2 | — |
| ibm | aix | 7.3.4 – 7.3.4.1 | — |
| ibm | powervm_vios | — | — |
| ibm | vios | >= 4.1.0 < 4.1.0.50 | 4.1.0.50 |
| ibm | vios | >= 4.1.1.0 < 4.1.1.30 | 4.1.1.30 |
| ibm | vios | >= 4.1.2.0 < 4.1.2.20 | 4.1.2.20 |
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VulDB
IBM AIX/PowerVM VIOS stack-based overflow
vuldb·2026-08-21·CVSS 9.8
CVE-2026-17157 [CRITICAL] IBM AIX/PowerVM VIOS stack-based overflow
A vulnerability, which was classified as very critical, has been found in IBM AIX and PowerVM VIOS. This impacts an unknown function. This manipulation causes stack-based buffer overflow.
The identification of this vulnerability is CVE-2026-17157. It is possible to initiate the attack remotely. There is no exploit available.
GHSA
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to a stack buffer overflow.
ghsa_unreviewed·2026-08-21
CVE-2026-17157 [CRITICAL] CWE-787 IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to a stack buffer overflow.
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to execute arbitrary code due to a stack buffer overflow.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-20
Published