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, and V12.1.4. 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	DT471717	Special Build #87098 or later for V11.5.9 available at this link: https://www.ibm.com/support/pages/node/7087189
V12.1	v12.1.5	DT471717	Special Build #87349 or later for V12.1.4 available at this link: https://www.ibm.com/support/pages/node/7267513

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-2026-10535

References