Vulnerabilities

Vulnerability · CVE-2026-6053

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.

Published May 27, 2026 · catalog updated Oct 14, 2026 · IBM Db2 11.5.0 through

Check if you run it

No confirmed exploitation is on record for CVE-2026-6053. EPSS is 0.14%. Act only if a listed version of IBM Db2 11.5.0 through is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (IBM Db2 11.5.0 through).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.14%
Remediation
Advisory link
Affected products
cpe ibm/db2

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe ibm/db2version unspecified

How to fix CVE-2026-6053

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-6053. EPSS is 0.14%. Act only if a listed version of IBM Db2 11.5.0 through is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-770: Allocation of Resources Without Limits or Throttling. EPSS 0.14%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 27, 2026 · NIST NVD

    Detected

    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.

  2. Oct 14, 2026 · NIST NVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2026-6053

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-6053

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-2026-6053

    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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.