IBM Db2 11.5.0-11.5.9 Authenticated Denial of Service via Crafted Query
CVE-2025-36387 Published on January 30, 2026
IBM Db2 Denial of Service
IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5.0 - 11.5.9 could allow an authenticated user to cause a denial of service when given specially crafted query.
Vulnerability Analysis
CVE-2025-36387 can be exploited 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
Allocation of Resources Without Limits or Throttling
The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.
Products Associated with CVE-2025-36387
Want to know whenever a new CVE is published for IBM Db2? stack.watch will email you.
Affected Versions
IBM Db2 for Linux, UNIX and Windows:- Version 11.5.0, <= 11.5.9 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.