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 level for each impacted release: V11.5.9. 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	DT444599	Special Build #79671 or later for V11.5.9 available at this link: https://www.ibm.com/support/pages/node/7087189
V12.1	V12.1.4	DT444599	Latest for V12.1.4 is available at this link: https://www.ibm.com/support/pages/node/7267513


Note: To apply this fix, it is required to set DB2_STRICT_INSTANCE_MEMORY=ON in addition to installing the above Special Build.

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.

CVE-2025-36122

References