CVE-2026-16872
published 2026-08-19CVE-2026-16872: 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-based buffer overflow.
PriorityP259critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.46%
38.5th 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-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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VulDB
IBM AIX/PowerVM VIOS buffer overflow (EUVD-2026-62756)
vuldb·2026-08-19·CVSS 9.8
CVE-2026-16872 [CRITICAL] IBM AIX/PowerVM VIOS buffer overflow (EUVD-2026-62756)
A vulnerability classified as very critical was found in IBM AIX and PowerVM VIOS. This issue affects some unknown processing. Such manipulation leads to buffer overflow.
This vulnerability is documented as CVE-2026-16872. The attack can be executed remotely. There is not any 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-based buffer overflow.
ghsa_unreviewed·2026-08-19
CVE-2026-16872 [CRITICAL] CWE-121 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-based 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-based buffer overflow.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-19
Published