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5.5 Medium

CVE-2026-6051 IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to a denial of service when executing a specially…

Description

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to a denial of service when executing a specially crafted query with a small statement heap.

Affected products and versions

Product Affected versions Fixed in
DB2 12.1 12.1.0 → 12.1.4 No fix stated
DB2 11.5 11.5.0 → 11.5.9 No fix stated

Other CVEs of DB2

The 56 CVEs of DB2 →
CVE-2026-104364 IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow a local attacker to cause a denial of service due… 3.3 Low CVE-2026-104332 IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to a denial of service when executing a specially… 5.5 Medium CVE-2026-18166 IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 for Linux, UNIX and Windows (includes DB2 Connect Server) could… 7.7 High CVE-2026-105464 IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 for Linux, UNIX and Windows (includes DB2 Connect Server) could… 8.8 High
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