CVE-2026-17463
Received Received - Intake

IBM Db2 Remote Denial of Service Vulnerability

Publication date: 2026-09-14

Last updated on: 2026-09-14

Assigner: IBM Corporation

Description
IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a remote authenticated attacker to cause a denial of service due to uncontrolled resource consumption.

CVSS Scores

EPSS Scores

Probability:
Percentile:

Meta Information

Published
2026-09-14
Last Modified
2026-09-14
Generated
2026-09-15
AI Q&A
2026-09-14
EPSS Evaluated
N/A
NVD
CVE-2026-17463
EUVD
EUVD-2026-77784

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
ibm db2 From 11.5.0 (inc) to 11.5.9 (inc)
ibm db2 From 12.1.0 (inc) to 12.1.5 (inc)

Helpful Resources

Exploitability

CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-400 The product does not properly control the allocation and maintenance of a limited resource.

Attack-Flow Graph

AI Quick Actions

Instant insights powered by AI
Executive Summary

IBM Db2 versions 11.5.0 through 11.5.9 and 12.1.0 through 12.1.5 for Linux, UNIX, and Windows are vulnerable to a denial of service issue. A remote authenticated attacker could exploit this by causing uncontrolled resource consumption, leading to service disruption.

Impact Analysis

This vulnerability could allow an attacker to disrupt the availability of your IBM Db2 database services. If exploited, it may cause the database to become unresponsive or crash, leading to downtime and potential loss of access to critical data.

Mitigation Strategies
  • Apply the security updates released by IBM for affected Db2 versions (11.5.9, 12.1.4, and 12.1.5) via Fix Central.
  • Monitor network traffic for unusual resource consumption patterns that may indicate exploitation attempts.

Chat Assistant

Ask questions about this CVE
Hi! I’m here to help you understand CVE-2026-17463. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70

EPSS Chart