CVE-2026-18671
published 2026-08-13CVE-2026-18671: 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…
PriorityP428medium5.3CVSS 3.1
AVNACLPRNUINSUCNINAL
EPSS
0.36%
27.0th percentile
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.
Affected
4 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| ibm | i | — | — |
| ibm | i | — | — |
| ibm | i | — | — |
| ibm | i | — | — |
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VulDB
IBM i 7.3/7.4/7.5/7.6 NetServer integer overflow (EUVD-2026-58473)
vuldb·2026-08-13·CVSS 6.5
CVE-2026-18671 [MEDIUM] IBM i 7.3/7.4/7.5/7.6 NetServer integer overflow (EUVD-2026-58473)
A vulnerability, which was classified as critical, was found in IBM i 7.3/7.4/7.5/7.6. Affected by this issue is some unknown functionality of the component NetServer. The manipulation results in integer overflow.
This vulnerability is cataloged as CVE-2026-18671. The attack may be launched remotely. There is no exploit available.
GHSA
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.
ghsa_unreviewed·2026-08-13
CVE-2026-18671 [MEDIUM] CWE-190 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.
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.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2026-08-13
Published