CVE-2026-18096

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

Published Aug 12, 2026 CVSS 3.1 · 3.3 Low EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

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.

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
CPEs cpe:2.3:a:ibm:db2:12.1.5:*:*:*:*:linux:*:*
cpe:2.3:a:ibm:db2:12.1.5:*:*:*:*:unix:*:*
cpe:2.3:a:ibm:db2:12.1.5:*:*:*:*:windows:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title IBM® Db2® could allow a local attacker to cause a denial of service due to a memory leak
First Time appeared Ibm
Ibm db2
Weaknesses CWE-770
CPEs cpe:2.3:a:ibm:db2:12.1.5:*:*:*:*:*:*:*
Vendors & Products Ibm
Ibm db2
References
Metrics cvssV3_1

{'score': 3.3, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
ibm
Published
Updated
Aug 13, 2026, 2:08 PM
Reserved
Jul 28, 2026, 5:11 PM
Status
Analyzed
Published
Aug 12, 2026, 9:17 PM
Modified
Oct 23, 2026, 7:10 PM