high
7.5
CWE
20
Advisory Published
Updated

CVE-2023-27559: IBM Db2 denial of service

First published: Wed Apr 26 2023(Updated: )

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to a denial of service as the server may crash when using a specially crafted subquery. IBM X-Force ID: 249196.

Credit: psirt@us.ibm.com psirt@us.ibm.com

Affected SoftwareAffected VersionHow to fix
Ibm Db2>=11.1<11.1.4
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
All of
Any of
Ibm Db2>=11.1<11.1.4
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
Linux Linux kernel
Microsoft Windows

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2023-27559.

  • What is the severity of CVE-2023-27559?

    The severity of CVE-2023-27559 is high.

  • Which software versions are affected by CVE-2023-27559?

    IBM Db2 for Linux, UNIX, and Windows versions 10.5, 11.1, and 11.5 are affected by CVE-2023-27559.

  • How can I fix CVE-2023-27559?

    Apply the necessary patches or updates provided by IBM to fix CVE-2023-27559.

  • Is Linux Linux kernel or Microsoft Windows affected by CVE-2023-27559?

    No, Linux Linux kernel and Microsoft Windows are not affected by CVE-2023-27559.

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