CVE-2026-18671

MediumCVSS 6.5

Published: 13/08/2026(UTC)Updated: 17/08/2026(UTC)Translated: 14/08/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.22%

13th percentile - higher than 13% of all known CVEs

Summary

IBM i versions 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.

Risk Assessment

Temporary denial of service may disrupt NetServer services, affecting system availability for users.

Recommendation

Apply IBM patches for IBM i and monitor the system for unusual requests to NetServer.

Original NVD description (English source)

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.