CVE-2026-6052: IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to running out of memory when executing certain queries with MDC tables.

PriorityP339high7.5CVSS 3.1

AVNACLPRNUINSUCNINAH

EPSS

0.24%

15.3th percentile

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to running out of memory when executing certain queries with MDC tables.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
ibm	db2	11.5.0 – 11.5.9	—
ibm	db2	12.1.0 – 12.1.4	—

CVSS provenance

nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

vendor_oracle3.7LOW

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