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6.5 Medium

CVE-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,…

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.

Affected products and versions

Product Affected versions Fixed in
i 7.6 No fix stated
i 7.5 No fix stated
i 7.4 No fix stated
i 7.3 No fix stated

Other CVEs of i

The 214 CVEs of i →
CVE-2026-93744 IBM i 7.3, 7.4, 7.5, and 7.6 could allow an unathenticated remote attacker to bypass security restrictions due to… 6.5 Medium CVE-2026-17068 IBM i 7.3, 7.4, 7.5, and 7.6 could allow a local attacker to bypass NFS version restrictions due to improper enforcement… 5.4 Medium CVE-2026-17073 IBM i 7.3, 7.4, 7.5, and 7.6 could allow a local attacker to obtain sensitive information due to missing subtree… 5.4 Medium CVE-2026-17275 IBM i 7.3, 7.4, 7.5, and 7.6 could allow a remote attacker to perform unauthorized manipulation of distributed… 3.7 Low
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