Denial of Service Vulnerability in IBM i Systems
CVE-2026-17076

5.3MEDIUM

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
13 August 2026

What is CVE-2026-17076?

IBM i versions 7.6, 7.5, 7.4, and 7.3 have a vulnerability allowing remote attackers to cause a denial of service by improperly processing Distributed Relational Database Architecture (DRDA) and Data Description Module (DDM) resynchronization requests. This flaw could lead to system instability and interrupted services, potentially impacting business operations.

Affected Version(s)

i 7.6

i 7.5

i 7.4

References

https://www.ibm.com/support/pages/node/7283572
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

.