IBM Db2 Auth Denial via Resource Leak (10.5-12.1)
CVE-2025-36006 Published on November 7, 2025
IBM Db2 denial of service
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.
Vulnerability Analysis
CVE-2025-36006 is exploitable with network access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
Improper Resource Shutdown or Release
The program does not release or incorrectly releases a resource before it is made available for re-use. When a resource is created or allocated, the developer is responsible for properly releasing the resource as well as accounting for all potential paths of expiration or invalidation, such as a set period of time or revocation.
Products Associated with CVE-2025-36006
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Affected Versions
IBM Db2:- Version 10.5.0, <= 10.5.11 is affected.
- Version 11.1.0, <= 11.1.4.7 is affected.
- Version 11.5.0, <= 11.5.9 is affected.
- Version 12.1.0, <= 12.1.3 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.