CVE-2026-19437
published 2026-08-20CVE-2026-19437: 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 buffer overflow.
PriorityP354critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
0.47%
38.8th 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 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
vuldb·2026-08-21·CVSS 8.1
CVE-2026-19437 [HIGH] IBM AIX/PowerVM VIOS buffer overflow
A vulnerability was found in IBM AIX and PowerVM VIOS and classified as very critical. This issue affects some unknown processing. The manipulation results in buffer overflow.
This vulnerability is identified as CVE-2026-19437. 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 buffer overflow.
ghsa_unreviewed·2026-08-21
CVE-2026-19437 [HIGH] 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 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 buffer overflow.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-20
Published