CVE-2026-18671
Medium
Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow an authenticated attacker to force a NetServer server thread exception, caused by an integer overflow during bounds checking in request processing. The attacker could exploit this vulnerability to cause a temporary denial of service.
SeverityMedium
CVSS6.5
Exploit probability—
Product
I
PublishedAug 13, 2026
First seenAug 13, 2026
Weakness typeCWE-190Integer overflow
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| ibm i | 7.3, 7.4, 7.5, 7.6 | — |
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