CVE-2026-16951
published 2026-08-20CVE-2026-16951: IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local authenticated attacker to execute arbitrary code due to a heap-based buffer overflow.
PriorityP334medium6.7CVSS 3.1
AVLACLPRHUINSUCHIHAH
EPSS
0.13%
2.8th percentile
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local authenticated attacker to execute arbitrary code due to a heap-based 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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GHSA
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local authenticated attacker to execute arbitrary code due to a heap-based buffer overflow.
ghsa_unreviewed·2026-08-21
CVE-2026-16951 [MEDIUM] CWE-787 IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local authenticated attacker to execute arbitrary code due to a heap-based buffer overflow.
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a local authenticated attacker to execute arbitrary code due to a heap-based buffer overflow.
VulDB
IBM AIX/PowerVM VIOS buffer overflow
vuldb·2026-08-21·CVSS 6.7
CVE-2026-16951 [MEDIUM] IBM AIX/PowerVM VIOS buffer overflow
A vulnerability described as very critical has been identified in IBM AIX and PowerVM VIOS. This issue affects some unknown processing. Executing a manipulation can lead to buffer overflow.
This vulnerability appears as CVE-2026-16951. The attack requires local access. There is no available exploit.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-20
Published