CVE-2026-6053

IBM® Db2® is vulnerable to a denial of service when a specially crafted query is run with range partitioned tables

At a glance

Severity: MEDIUM 5.5
EPSS: EPSS 0.10 % · percentile 1 (2026-10-27)
State: PUBLISHED
Published: 2026-05-27
Updated: 2026-05-29
Assigner: ibm
NVD status: Analyzed

Description

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to a denial of service when a specially crafted query is run with range partitioned tables.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	ibm
CVSS 3.1	MEDIUM 5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	NVD · psirt@us.ibm.com (Secondary)

Weaknesses (CWE)

CWE-770

European references

ENISA EUVD · EUVD-2026-32490
GCVE · GCVE-0-2026-6053

CERT-FR advisories

CERTFR-2026-AVI-1165 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
CERTFR-2026-AVI-0986 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr
CERTFR-2026-AVI-0834 — Multiples vulnérabilités dans les produits IBM · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:ibm:db2:*:*:*:*:-:*:*:* ≥ 11.5.0 ≤ 11.5.9
cpe:2.3:a:ibm:db2:*:*:*:*:-:*:*:* ≥ 12.1.0 ≤ 12.1.4

Affected products

Product	Versions
IBM · Db2	affected 11.5.0 ≤ 11.5.9 ; affected 12.1.0 ≤ 12.1.4

References

https://www.ibm.com/support/pages/node/7273556

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD