PT-2026-43978 · Ibm · Db2

Published 2026-05-27 · Updated 2026-05-28 · CVE-2026-6052

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions IBM Db2 versions 11.5.0 through 11.5.9 IBM Db2 versions 12.1.0 through 12.1.4

Description An issue exists where the system may run out of memory when executing specific queries involving MDC (Multi-Dimensional Clustering) tables, which is a feature used to organize data in a table based on one or more dimensions to improve query performance.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2026-6052

Affected Products

Db2

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-6052 · Security Note
• https://ibm.com/support/pages/node/7273557 · Patch, Vendor Advisory
• https://t.me/cveNotify/165027 · Telegram Post