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, caused by an integer overflow during bounds checking in request processing. The attacker could exploit this vulnerability to cause a temporary denial of service.

Score

CVSS 3.1 6.5 Medium

Status

Analyzed - psirt@us.ibm.com

Published

2026-08-13

Last modified

2026-08-14

Weaknesses

CWE-190

Affected products

• I (Ibm)

References

• https://www.ibm.com/support/pages/node/7283573