Denial of Service Vulnerability in IBM Db2 for Linux, UNIX and Windows by IBM
CVE-2026-17463

6.5MEDIUM

Key Information:

Vendor

IBM
Status
Db2
Vendor
CVE Published:
14 September 2026

What is CVE-2026-17463?

IBM Db2 versions 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 on Linux, UNIX, and Windows platforms are susceptible to a denial of service attack. A remote authenticated attacker may exploit this vulnerability to cause uncontrolled resource consumption, potentially leading to service disruption. It is imperative for users to apply the necessary patches to mitigate this risk. For further details, refer to the official advisory on IBM's support site.

Affected Version(s)

Db2 11.5.0 <= 11.5.9

Db2 12.1.0 <= 12.1.5

References

https://www.ibm.com/support/pages/node/7286983
vendor-advisorypatch

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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