CVE-2026-17255

IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote attacker to cause a denial of service due to improper validation of the prefix length in ICMPv6 Router Advertisements.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://www.ibm.com/support/pages/node/7286093	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2026-09-04 17:16

Updated : 2026-09-10 16:17

NVD link : CVE-2026-17255

Mitre link : CVE-2026-17255

CVE.ORG link : CVE-2026-17255

JSON object : View

Products Affected

ibm

i

CWE

CWE-787

Out-of-bounds Write

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