IBM Db2 11.1.0 through 11.1.4.7, 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.
Advisories

No advisories yet.

Fixes

Solution

Remediation/Fixes Customers running any vulnerable affected level of an affected Program, V11.1, V11.5, and V12.1, 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 level for each impacted release: V11.1.4 FP7, V11.5.9, V12.1.2 and V12.1.3. They can be applied to any affected level of the appropriate release to remediate this vulnerability. Release Fixed in mod pack APAR Download URL V11.1 TBD DT422178 Special Build for V11.1.4.7: AIX 64-bit Linux 32-bit, x86-32 Linux 64-bit, x86-64 Linux 64-bit, POWER™ little endian Linux 64-bit, System z®, System z9® or zSeries® Solaris 64-bit, SPARC Windows 32-bit, x86 Windows 64-bit, x86 V11.5 TBD DT422178 Special Build #69673 or later for V11.5.9 available at this link: https://www.ibm.com/support/pages/node/7087189 V12.1 V12.1.3 DT422178 Special Build #70120 or later for V12.1.2 available at this link: https://www.ibm.com/support/pages/db2-v1212-published-cumulative-special-build-downloads IBM does not disclose key Db2 functionality nor replication steps for a vulnerability to avoid providing too much information to any potential malicious attacker. IBM does not want to enable a malicious attacker with sufficient knowledge to craft an exploit of the vulnerability. Note: After December 31, 2025, 11.1 and 10.5 versions of Db2 will not have security fixes made available as they will reach EoS.


Workaround

No workaround given by the vendor.

History

Fri, 07 Nov 2025 19:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Fri, 07 Nov 2025 18:45:00 +0000

Type Values Removed Values Added
Description IBM Db2 11.1.0 through 11.1.4.7, 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server may crash under certain conditions with 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:db2:11.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.1.4.7:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm db2
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H'}


cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2025-11-07T18:56:31.224Z

Reserved: 2025-03-19T15:25:51.261Z

Link: CVE-2025-2534

cve-icon Vulnrichment

Updated: 2025-11-07T18:56:23.715Z

cve-icon NVD

Status : Received

Published: 2025-11-07T19:15:46.710

Modified: 2025-11-07T19:15:46.710

Link: CVE-2025-2534

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.