CVE-2025-36098

IBM Db2 Denial of Service

Published Jan 30, 2026 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed

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 an authenticated user to cause a denial of service due to improper allocation of resources.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

IBM

Db2 for Linux, UNIX and Windows

unaffected

Version	Status	Constraints
`11.5.0`	affected	≤ 11.5.9
`12.1.0`	affected	≤ 12.1.3

Configuration 1 [-]

OR	cpe:2.3:a:ibm:db2::::::linux::*
	cpe:2.3:a:ibm:db2::::::unix::*
	cpe:2.3:a:ibm:db2::::::windows::*
	cpe:2.3:a:ibm:db2::::::linux::*
	cpe:2.3:a:ibm:db2::::::unix::*
	cpe:2.3:a:ibm:db2::::::windows::*

No data.

No data available yet.

Remediation

Vendor Solution

Fixed in mod packAPARDownload URLV11.5TBD https://www.ibm.com/support/pages/node/7087189 V12.1 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

Tracking

Advisories

No advisories available

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.389% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://www.ibm.com/support/pages/node/7257629

History

Feb 5, 2026 8:15 PM Affected versions updated View changes

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::*

Feb 2, 2026 5:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Jan 30, 2026 10:00 PM Description updated View changes

Type	Values Removed	Values Added
Description	IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper allocation of resources.	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 an authenticated user to cause a denial of service due to improper allocation of resources.

Jan 30, 2026 9:45 PM Description updated. Title updated. First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper allocation of resources.
Title		IBM Db2 Denial of Service
First Time appeared		Ibm Ibm db2
Weaknesses		CWE-770
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:db2:12.1.3:::::aix:: 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:::::windows:: cpe:2.3:a:ibm:db2:12.1.3:::::zos::
Vendors & Products		Ibm Ibm db2
References		https://www.ibm.com/support/pages/node/7257629
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'}`