CVE-2026-18096 PUBLISHED

IBM® Db2® could allow a local attacker to cause a denial of service due to a memory leak

Assigner: ibm
Reserved: 28.07.2026 Published: 12.08.2026 Updated: 13.08.2026

IBM Db2 12.1.5 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a local attacker to cause a denial of service due to a memory leak.

Metrics

CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS Score: 3.3

Product Status

Vendor IBM
Product Db2
Versions
  • Version 12.1.5 is affected

Solutions

Customers running any vulnerable affected level of an affected Program, V12.1, can download the security update containing the interim fix for this issue from Fix Central. These security updates are available based on the most recent level for each impacted release: V12.1.5. They can be applied to any affected level of the appropriate release to remediate this vulnerability.

ReleaseFixed in mod packAPARDownload URL

V12.1 

TBD

https://www.ibm.com/support/pages/node/7282633

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.

References

Problem Types

  • CWE-770 Allocation of Resources Without Limits or Throttling CWE