CVE-2026-18670
published 2026-08-20CVE-2026-18670: IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service and potentially disclose sensitive information due to…
PriorityP345critical9.1CVSS 3.1
AVNACLPRNUINSUCHINAH
EPSS
0.37%
30.3th percentile
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service and potentially disclose sensitive information due to an integer underflow.
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 integer underflow
vuldb·2026-08-21·CVSS 8.2
CVE-2026-18670 [HIGH] IBM AIX/PowerVM VIOS integer underflow
A vulnerability identified as critical has been detected in IBM AIX and PowerVM VIOS. This impacts an unknown function. The manipulation leads to integer underflow.
This vulnerability is documented as CVE-2026-18670. The attack can be initiated 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 cause a denial of service and potentially disclose sensitive information due to an integer underflow.
ghsa_unreviewed·2026-08-21
CVE-2026-18670 [HIGH] CWE-190 IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service and potentially disclose sensitive information due to an integer underflow.
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service and potentially disclose sensitive information due to an integer underflow.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-20
Published