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MEDIUM

IBM denial of service

Published Nov 7, 2025

Description

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a local user to cause a denial of service due to the database monitor script incorrectly detecting that the instance is still starting under specific conditions.

Affected products

Remediation

Vendor solution

Remediation/Fixes Customers running any vulnerable modpack 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 level for each impacted release: 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 V11.5 TBD DT435369 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 DT435369 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.

References (2)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner ibm
Published Nov 7, 2025
Updated Nov 7, 2025
Reserved Apr 15, 2025
CISA Vulnrichment
Updated Nov 7, 2025
NVD
Status Analyzed
Modified Jun 17, 2026
Red Hat
Severity n/a
Public date n/a
ENISA EUVD
Assigner ibm
Published Nov 7, 2025
Updated Nov 7, 2025
Exploited since n/a
EUVD-2025-38311