IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.2 is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query due to improper release of memory resources.
Fixes

Solution

Customers running any vulnerable affected level of an affected Program 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 affected level for each impacted release: V11.5.9, V12.1.1 and V12.1.2. They can be applied to any affected mod pack level of the appropriate release to remediate this vulnerability. Release Fixed in mod pack APAR Download URL V11.5 TBD DT425663 Special Build #62071 or later for V11.5.9 available at this link: https://www.ibm.com/support/pages/node/7087189 V12.1 V12.1.2 DT425663 Special Build #62100 or later for V12.1.1 available at this link: https://www.ibm.com/support/pages/db2-v1211-published-cumulative-special-build-downloads#52441 12.1.2 Latest: 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

Thu, 07 Aug 2025 00:45:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:*
cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:*
cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:*

Tue, 29 Jul 2025 20:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

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


Tue, 29 Jul 2025 18:45:00 +0000

Type Values Removed Values Added
Description IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.2 is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query due to improper release of memory resources.
Title IBM Db2 denial of service
First Time appeared Ibm
Ibm db2
Weaknesses CWE-772
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:*:*
cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:aix:*:*
cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:linux:*:*
cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:unix:*:*
cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:windows:*:*
cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:zos:*:*
cpe:2.3:a:ibm:db2:12.1.1:*:*:*:*:aix:*:*
cpe:2.3:a:ibm:db2:12.1.1:*:*:*:*:linux:*:*
cpe:2.3:a:ibm:db2:12.1.1:*:*:*:*:unix:*:*
cpe:2.3:a:ibm:db2:12.1.1:*:*:*:*:windows:*:*
cpe:2.3:a:ibm:db2:12.1.1:*:*:*:*:zos:*:*
cpe:2.3:a:ibm:db2:12.1.2:*:*:*:*:aix:*:*
cpe:2.3:a:ibm:db2:12.1.2:*:*:*:*:linux:*:*
cpe:2.3:a:ibm:db2:12.1.2:*:*:*:*:unix:*:*
cpe:2.3:a:ibm:db2:12.1.2:*:*:*:*:windows:*:*
cpe:2.3:a:ibm:db2:12.1.2:*:*:*:*: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'}


cve-icon MITRE

Status: PUBLISHED

Assigner: ibm

Published:

Updated: 2025-07-29T19:32:16.496Z

Reserved: 2025-04-15T21:16:13.121Z

Link: CVE-2025-36071

cve-icon Vulnrichment

Updated: 2025-07-29T19:32:06.728Z

cve-icon NVD

Status : Analyzed

Published: 2025-07-29T19:15:45.863

Modified: 2025-08-07T00:31:53.567

Link: CVE-2025-36071

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.