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IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow a user to cause a denial of service by executing a query that invokes the JSON_Object scalar function, which may trigger an unhandled exception leading to abnormal server termination.
Metrics
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CVE Modified by IBM Corporation6/17/2026 5:14:40 AM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"IBM","product":"Db2 for Linux, UNIX and Windows","defaultStatus":"unaffected","cpes":["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:*:*:*:*:aix:*:*","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:*:*:*:*:linux:*:*","cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:unix:*:*","cpe:2.3:a:ibm:db2:11.5.9:*:*:*:*:aix:*:*","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:*:*:*:*:linux:*:*","cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:unix:*:*","cpe:2.3:a:ibm:db2:12.1.0:*:*:*:*:aix:*:*","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:db2:12.1.3:*:*:*:*:linux:*:*","cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:unix:*:*","cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:aix:*:*","cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:windows:*:*","cpe:2.3:a:ibm:db2:12.1.3:*:*:*:*:zos:*:*"],"versions":[{"version":"11.5.0","lessThanOrEqual":"11.5.9","versionType":"semver","status":"affected"},{"version":"12.1.0","lessThanOrEqual":"12.1.3","versionType":"semver","status":"affected"}]}]
Initial Analysis by NIST2/05/2026 2:57:27 PM
Action
Type
Old Value
New Value
Added
CPE Configuration
OR
*cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:* versions from (including) 11.5.0 up to (including) 11.5.9
*cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:* versions from (including) 11.5.0 up to (including) 11.5.9
*cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:* versions from (including) 11.5.0 up to (including) 11.5.9
*cpe:2.3:a:ibm:db2:*:*:*:*:*:linux:*:* versions from (including) 12.1.0 up to (including) 12.1.3
*cpe:2.3:a:ibm:db2:*:*:*:*:*:unix:*:* versions from (including) 12.1.0 up to (including) 12.1.3
*cpe:2.3:a:ibm:db2:*:*:*:*:*:windows:*:* versions from (including) 12.1.0 up to (including) 12.1.3
Added
Reference Type
IBM Corporation: https://www.ibm.com/support/pages/node/7257681 Types: Patch, Vendor Advisory
CVE Modified by IBM Corporation2/03/2026 1:16:12 PM
Action
Type
Old Value
New Value
Changed
Description
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 - 11.5.9 and 12.1.0 - 12.1.3 could allow a local user to cause a denial of service due to improper neutralization of special elements in data query logic.
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow a user to cause a denial of service by executing a query that invokes the JSON_Object scalar function, which may trigger an unhandled exception leading to abnormal server termination.
New CVE Received from IBM Corporation1/30/2026 5:15:54 PM
Action
Type
Old Value
New Value
Added
Description
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 - 11.5.9 and 12.1.0 - 12.1.3 could allow a local user to cause a denial of service due to improper neutralization of special elements in data query logic.
Added
CVSS V3.1
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added
CWE
CWE-943
Added
Reference
https://www.ibm.com/support/pages/node/7257681
Quick Info
CVE Dictionary Entry: CVE-2025-36366 NVD
Published Date: 01/30/2026 NVD
Last Modified: 06/17/2026
Source: IBM Corporation