high
7.5
CWE
20
Advisory Published
CVE Published
Updated

CVE-2023-27555: IBM Db2 denial of service

First published: Mon Apr 24 2023(Updated: )

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5 is vulnerable to a denial of service when attempting to use ACR client affinity for unfenced DRDA federation wrappers. IBM X-Force ID: 249187.

Credit: 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

Remedy

https://www.ibm.com/support/pages/node/6985683

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Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Frequently Asked Questions

  • What is the vulnerability ID of this vulnerability?

    The vulnerability ID of this vulnerability is CVE-2023-27555.

  • What is the severity of CVE-2023-27555?

    CVE-2023-27555 has a severity rating of 7.5, which is considered high.

  • Which software versions are affected by CVE-2023-27555?

    IBM Db2 for Linux, UNIX, and Windows versions 11.5 and lower, as well as version 10.5, are affected by CVE-2023-27555.

  • How can I fix the vulnerability CVE-2023-27555?

    To fix CVE-2023-27555, update your IBM Db2 for Linux, UNIX, and Windows software to a version that is not affected by the vulnerability.

  • Where can I find more information about CVE-2023-27555?

    You can find more information about CVE-2023-27555 on the IBM X-Force ID website at https://exchange.xforce.ibmcloud.com/vulnerabilities/249187.

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