What’s Vulnerable › Vulnerabilities

CVE-2026-6051: IBM® Db2® is vulnerable to a denial of service when executing a specially crafted query with a small statement heap

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-27 · updated 2026-10-14
• Weakness: CWE-400

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

• IBM Db2 for Linux, UNIX and Windows: from 11.5.0 through 11.5.9; from 12.1.0 through 12.1.4

References

• https://www.ibm.com/support/pages/node/7273558

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