CVE-2026-18671

Published Aug 13, 2026

Last updated 7 days ago

Overview

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.
Source
psirt@us.ibm.com
NVD status
Analyzed
Products
i

Risk scores

CVSS 3.1

Type
Primary
Base score
5.3
Impact score
1.4
Exploitability score
3.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Severity
MEDIUM

Weaknesses

psirt@us.ibm.com
CWE-190

Social media

Hype score
Not currently trending

Configurations

References

Sources include official advisories and independent security research.