Vulnerability record · CVE-2026-1718 · published 27 May 2026

CVE-2026-1718: Ibm db2 allocation without limits vulnerability

Ibm · Db2

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to a denial of service with a specially crafted query when autonomous transactions are enabled.

7.5 CVSS 3.1 High EPSS 0.36% · top 72.6% CWE-770 · Allocation without limits

7.5CVSS 3.1 base score

0.36%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

1References

17 Jun 2026Last modified by NVD

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 with a specially crafted query when autonomous transactions are enabled.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Db2 Ibm

References

Link	Tags
https://www.ibm.com/support/pages/node/7273555	Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2012-1797Ibm db2 permissions and access controls vulnerabilityIBM DB2 9.5 uses world-writable permissions for nodes.reg, which has unspecified impact and attack vectors.EPSS 1.7%20 Mar 2012 10.0CVE-2010-3731Ibm db2 memory buffer overflow vulnerabilityStack-based buffer overflow in the validateUser implementation in the com.ibm.db2.das.core.DasSysCmd function in db2dasrrm in the DB2 Administration …EPSS 9.6%5 Oct 2010 10.0CVE-2010-3193Ibm db2 vulnerabilityUnspecified vulnerability in the DB2STST program in IBM DB2 9.1 before FP9, 9.5 before FP6, and 9.7 before FP2 has unknown impact and attack vectors.EPSS 2.7%31 Aug 2010 10.0CVE-2009-4335Ibm db2 vulnerabilityMultiple unspecified vulnerabilities in bundled stored procedures in the Spatial Extender component in IBM DB2 9.5 before FP5 have unknown impact and…EPSS 2.3%16 Dec 2009 10.0CVE-2009-3473Ibm db2 vulnerabilityIBM DB2 9.1 before FP8 does not require the SETSESSIONUSER privilege for the SET SESSION AUTHORIZATION statement, which has unspecified impact and re…EPSS 2.0%29 Sep 2009 10.0CVE-2008-6820Ibm db2 vulnerabilityThe db2fmp process in IBM DB2 8 before FP17, 9.1 before FP5, and 9.5 before FP2 on Windows runs with "OS privilege," which has unknown impact and att…EPSS 1.8%3 Jun 2009 10.0CVE-2008-6821Ibm db2 memory buffer overflow vulnerabilityBuffer overflow in the DAS server in IBM DB2 8 before FP17, 9.1 before FP5, and 9.5 before FP2 might allow attackers to execute arbitrary code or cau…EPSS 3.7%3 Jun 2009 10.0CVE-2008-4692Ibm db2 vulnerabilityThe Native Managed Provider for .NET component in IBM DB2 8 before FP17, 9.1 before FP6, and 9.5 before FP2, when a definer cannot maintain objects, …EPSS 2.1%22 Oct 2008

Source: NIST National Vulnerability Database (record CVE-2026-1718), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.