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.

CVSS 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.2% chance of exploitation in the next 30 days; higher than 15% of CVEs (scores of 2026-10-25)

CWE

CWE-400

Published

2026-05-27

Modified

2026-10-14

Record from

the NVD, synced 2026-10-19

Affected

• ibm:db2

References

• https://www.ibm.com/support/pages/node/7273557

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