CVE-2023-40373: IBM Db2 denial of service

Published Oct 16, 2023
·
Updated

IBM DB2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to denial of service with a specially crafted query containing common table expressions.

Affected Software

49 affected components
IBM IBM® Db2®<=10.5.0.x
IBM IBM® Db2®<=11.1.4.x
IBM IBM® Db2®<=11.5.x
All of the following
Any of the following
IBM DB2>=11.5<=11.5.8
IBM DB2=10.5
IBM DB2=10.5-fp1
IBM DB2=10.5-fp10
IBM DB2=10.5-fp2
IBM DB2=10.5-fp3
IBM DB2=10.5-fp3a
IBM DB2=10.5-fp4
IBM DB2=10.5-fp5
IBM DB2=10.5-fp6
IBM DB2=10.5-fp7
IBM DB2=10.5-fp8
IBM DB2=10.5-fp9
IBM DB2=11.1.4
IBM DB2=11.1.4-fp1
IBM DB2=11.1.4-fp2
IBM DB2=11.1.4-fp3
IBM DB2=11.1.4-fp4
IBM DB2=11.1.4-fp5
IBM DB2=11.1.4-fp6
Any of the following
Linux Linux kernel
Microsoft Windows
Opengroup Unix
IBM DB2>=11.5<=11.5.8
IBM DB2=10.5
IBM DB2=10.5-fp1
IBM DB2=10.5-fp10
IBM DB2=10.5-fp2
IBM DB2=10.5-fp3
IBM DB2=10.5-fp3a
IBM DB2=10.5-fp4
IBM DB2=10.5-fp5
IBM DB2=10.5-fp6
IBM DB2=10.5-fp7
IBM DB2=10.5-fp8
IBM DB2=10.5-fp9
IBM DB2=11.1.4
IBM DB2=11.1.4-fp1
IBM DB2=11.1.4-fp2
IBM DB2=11.1.4-fp3
IBM DB2=11.1.4-fp4
IBM DB2=11.1.4-fp5
IBM DB2=11.1.4-fp6
Linux Linux kernel
Microsoft Windows
Opengroup Unix

Event History

Oct 16, 2023
CVE Published
11:08 PM
Data Sourced
11:08 PM
DescriptionSeverityWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the vulnerability ID for this issue?

The vulnerability ID for this issue is CVE-2023-40373.

2

What is the severity of CVE-2023-40373?

The severity of CVE-2023-40373 is medium with a severity value of 5.3.

3

What software versions are affected by CVE-2023-40373?

IBM Db2 for Linux UNIX and Windows (includes Db2 Connect Server) versions 10.5.0.x, 11.1.4.x, and 11.5.x are affected by CVE-2023-40373.

4

What is the impact of CVE-2023-40373?

CVE-2023-40373 allows an attacker to perform a denial of service attack by sending a specially crafted query containing common table expressions.

5

Are there any references available for CVE-2023-40373?

Yes, you can find more information about CVE-2023-40373 at the following references: https://exchange.xforce.ibmcloud.com/vulnerabilities/263574 and https://www.ibm.com/support/pages/node/7047563.

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