CVE-2024-49350: IBM Db2 denial of service

Q: What is the severity of CVE-2024-49350?

CVE-2024-49350 has been classified as a medium severity vulnerability, posing a denial of service risk.

Q: How do I fix CVE-2024-49350?

To mitigate CVE-2024-49350, upgrade to a supported version of IBM Db2 that is not affected by this vulnerability.

Q: What versions of IBM Db2 are affected by CVE-2024-49350?

IBM Db2 versions 11.1.0 through 11.1.4.7, 11.5.0 through 11.5.9, and 12.1.0 through 12.1.1 are vulnerable to CVE-2024-49350.

Q: What type of attack does CVE-2024-49350 enable?

CVE-2024-49350 enables a denial of service attack that may cause the server to crash with a specially crafted query.

Q: Is there a workaround for CVE-2024-49350?

There are no official workarounds for CVE-2024-49350, and updating to the latest version is the recommended action.

Published May 29, 2025

Updated

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.1.0 through 11.1.4.7, 11.5.0 through 11.5.9 and 12.1.0 through 12.1.1 is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.

Other sources

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.

— IBM

Affected Software

12 affected components

IBM Db2 Linux>=11.1<=11.1.4.7

IBM Db2 Unix>=11.1<=11.1.4.7

IBM Db2 Windows>=11.1<=11.1.4.7

IBM Db2 Linux>=11.5<=11.5.9

IBM Db2 Unix>=11.5<=11.5.9

IBM Db2 Windows>=11.5<=11.5.9

IBM Db2 Linux>=12.1.0<=12.1.1

IBM Db2 Unix>=12.1.0<=12.1.1

IBM Db2 Windows>=12.1.0<=12.1.1

IBM IBM® Db2®<=11.1.0 - 11.1.4.7

IBM IBM® Db2®<=11.5.0 - 11.5.9

IBM IBM® Db2®<=12.1.0 - 12.1.1

Remediation

Information

Customers running any vulnerable affected level of an affected Program, V11.1, V11.5, and V12.1, can download the special build containing the interim fix for this issue from Fix Central. These special builds are available based on the most recent affected level for each impacted release: V11.1.4 FP7, V11.5.9, and V12.1.1. They can be applied to any affected mod pack level of the appropriate release to remediate this vulnerability.

Event History

May 29, 2025

CVE Published

via MITRE·07:18 PM

Data Sourced

via MITRE·07:18 PM

RemedyDescriptionSeverityWeakness

Aug 26, 2025

Data Sourced

via IBM·02:59 PM

DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

IBM-7235069

Frequently Asked Questions

What is the severity of CVE-2024-49350?

CVE-2024-49350 has been classified as a medium severity vulnerability, posing a denial of service risk.

How do I fix CVE-2024-49350?