What is CVE-2026-6052?

CVE-2026-6052 is a medium-severity vulnerability in Ibm Aix, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-05-27.

How severe is CVE-2026-6052?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Resource exhaustion in Ibm Aix

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.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.000 (14.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Ibm Aix
Ibm Db2 — versions 11.5.0, 12.1.0
Ibm Linux_on_ibm_z
Linux Linux_kernel
Microsoft Windows

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-6052?: CVE-2026-6052 is a medium-severity vulnerability in Ibm Aix, classified under Uncontrolled Resource Consumption. CVSS score: 6.5/10. Published 2026-05-27.
How severe is CVE-2026-6052?: Medium severity. CVSS v3 base score is 6.5 out of 10.