Stack-Based Buffer Overflow in IBM i Products
CVE-2026-17083

9.8CRITICAL

Key Information:

Vendor

IBM
Status
I
Vendor
CVE Published:
12 August 2026

What is CVE-2026-17083?

A stack-based buffer overflow vulnerability exists in IBM i versions 7.6, 7.5, 7.4, and 7.3, potentially allowing a remote attacker to execute arbitrary code. This could lead to unauthorized access and control over the affected systems. Users are advised to apply necessary patches to mitigate risks associated with this vulnerability.

Affected Version(s)

i 7.6

i 7.5

i 7.4

References

https://www.ibm.com/support/pages/node/7283276
vendor-advisorypatch

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.