CVE-2026-16839
Vulnerabilities in IBM AIX and PowerVM VIOS
- State
- Published
- Severity
- 9.4 Critical
- Published
- Aug 19, 2026
- Updated
- Aug 20, 2026
- Reserved
- Jul 24, 2026
Description
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to obtain sensitive information due to an integer underflow in the IPv4 IP-options parser.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.4 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H | ibm |
Weaknesses
- CWE-125 Out-of-bounds Read
Affected Products
| Product | Versions |
|---|---|
AIXIBM |
|
PowerVM VIOSIBM |
|
References
- https://www.ibm.com/support/pages/node/7283858vendor-advisorypatch
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