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.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 3.9 / Impact : 2.5

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://www.ibm.com/support/pages/node/7283573	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:ibm:i:7.3:::::::*
	cpe:2.3:a:ibm:i:7.4:::::::*
	cpe:2.3:a:ibm:i:7.5:::::::*
	cpe:2.3:a:ibm:i:7.6:::::::*

History

No history.

Information

Published : 2026-08-13 21:17

Updated : 2026-08-17 13:24

NVD link : CVE-2026-18671

Mitre link : CVE-2026-18671

CVE.ORG link : CVE-2026-18671

JSON object : View

Products Affected

ibm

i

CWE

CWE-190

Integer Overflow or Wraparound

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