IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 - 11.5.9 is vulnerable to a denial of service as the server may crash when an authenticated user creates a specially crafted query.

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Advisories

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Fixes

Solution

Customers running any vulnerable affected level of an affected Program, V11.5 can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent affected level for each impacted release: V11.5.9. They can be applied to any affected mod pack level of the appropriate release to remediate this vulnerability.   ReleaseFixed in mod packAPARDownload URLV11.5TBD https://www.ibm.com/support/pages/node/7087189 V12.1V12.1.2 & V12.1.3 https://www.ibm.com/support/pages/db2-v1212-published-cumulative-special-build-downloads 12.1.3 Latest https://www.ibm.com/support/pages/db2-v1213-published-cumulative-special-build-downloads


Workaround

No workaround given by the vendor.

History

Thu, 05 Feb 2026 20:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-770
CPEs cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:*
cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:*
cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:*

Mon, 02 Feb 2026 17:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 30 Jan 2026 22:00:00 +0000

Type Values Removed Values Added
Description IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server may crash when an authenticated user creates a specially crafted query. IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 - 11.5.9 is vulnerable to a denial of service as the server may crash when an authenticated user creates a specially crafted query.

Fri, 30 Jan 2026 21:45:00 +0000

Type Values Removed Values Added
Description IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server may crash when an authenticated user creates a specially crafted query.
Title IBM Db2 Denial of Service
First Time appeared Ibm
Ibm db2
Weaknesses CWE-789
CPEs cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:aix:*:*
cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:linux:*:*
cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:unix:*:*
cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:windows:*:*
cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:zos:*:*
cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:aix:*:*
cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:linux:*:*
cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:unix:*:*
cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:windows:*:*
cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:zos:*:*
Vendors & Products Ibm
Ibm db2
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2026-02-02T16:29:47.862Z

Reserved: 2025-03-22T13:41:33.611Z

Link: CVE-2025-2668

cve-icon Vulnrichment

Updated: 2026-02-02T16:25:17.629Z

cve-icon NVD

Status : Analyzed

Published: 2026-01-30T22:15:52.547

Modified: 2026-02-05T20:03:12.037

Link: CVE-2025-2668

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses