Denial of Service Vulnerability in IBM i Product Line
CVE-2026-17469

5.3MEDIUM

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
4 September 2026

What is CVE-2026-17469?

IBM i versions 7.6, 7.5, 7.4, and 7.3 contain a vulnerability that allows local authenticated attackers to disrupt service. This issue is caused by an off-by-one write error in the LPD queue name parser, which can lead to a denial of service condition. It's important for organizations utilizing these products to apply necessary patches and follow best practices for security to mitigate potential risks.

Affected Version(s)

i 7.6

i 7.5

i 7.4

References

https://www.ibm.com/support/pages/node/7285939
vendor-advisorypatch

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.