CVE-2025-36006: IBM Db2 denial of service

Published Nov 7, 2025
·
Updated

IBM Db2 10.5.0 through 10.5.11, 11.1.0 through 11.1.4.7, 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial due to the improper release of resources after use.

Other sources

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial due to the improper release of resources after use.

— IBM

Affected Software

17 affected components
IBM DB2>=10.5.0<=10.5.11, >=11.1.0<=11.1.4.7, >=11.5.0<=11.5.9, >=12.1.0<=12.1.3
IBM Db2 Linux>=10.5.0.0<=10.5.0.11
IBM Db2 Unix>=10.5.0.0<=10.5.0.11
IBM Db2 Windows>=10.5.0.0<=10.5.0.11
IBM Db2 Linux>=11.1.0<=11.1.4.7
IBM Db2 Unix>=11.1.0<=11.1.4.7
IBM Db2 Windows>=11.1.0<=11.1.4.7
IBM Db2 Linux>=11.5.0<=11.5.9
IBM Db2 Unix>=11.5.0<=11.5.9
IBM Db2 Windows>=11.5.0<=11.5.9
IBM Db2 Linux>=12.1.0<=12.1.3
IBM Db2 Unix>=12.1.0<=12.1.3
IBM Db2 Windows>=12.1.0<=12.1.3
IBM IBM® Db2®<=10.5.0 - 10.5.11
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 - 12.1.2

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade IBM Db2 10.5 to a version that resolves this vulnerability.

    Fixed in 10.5.11Patch DT422191
  2. Upgrade

    Upgrade IBM Db2 11.1 to a version that resolves this vulnerability.

    Fixed in 11.1.4.7Patch DT422191
  3. Upgrade

    Upgrade IBM Db2 11.5 to a version that resolves this vulnerability.

    Fixed in 11.5.9Patch DT422191
  4. Upgrade

    Upgrade IBM Db2 12.1 to a version that resolves this vulnerability.

    Fixed in 12.1.3Patch DT422191

Event History

Nov 7, 2025
CVE Published
via MITRE·07:04 PM
Data Sourced
via MITRE·07:04 PM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·07:16 PM
DescriptionSeverityWeaknessAffected Software
Oct 7, 2026
Data Sourced
via IBM·11:20 PM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

What is the severity of CVE-2025-36006?

CVE-2025-36006 is classified as a medium severity vulnerability.

2

How do I fix CVE-2025-36006?

To fix CVE-2025-36006, upgrade your IBM Db2 to a patched version as specified in the vendor's advisories.

3

What versions of IBM Db2 are affected by CVE-2025-36006?

CVE-2025-36006 affects IBM Db2 versions 10.5.0 through 10.5.11, 11.1.0 through 11.1.4.7, 11.5.0 through 11.5.9, and 12.1.0 through 12.1.3.

4

What type of attack can CVE-2025-36006 enable?

CVE-2025-36006 can enable an authenticated user to cause a denial of service due to improper resource management.

5

Is CVE-2025-36006 a remote or local vulnerability?

CVE-2025-36006 requires local access since it can be exploited by an authenticated user.

Company

Resources

Contact

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