CVE-2025-2534

IBM Db2 denial of service

State: Published
Severity: 5.3 Medium
Published: Nov 7, 2025
Updated: Nov 7, 2025
Reserved: Mar 19, 2025

Description

IBM Db2 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) is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.

Scores

CVSS	Score	Vector	Source
3.1	5.3 Medium	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H	ibm

Weaknesses

CWE-789 Memory Allocation with Excessive Size Value

Affected Products

Product	Versions
Db2IBM	11.1.0 through 11.1.4.7Affected 11.5.0 through 11.5.9Affected 12.1.0 through 12.1.3Affected

References

https://www.ibm.com/support/pages/node/7250472vendor-advisorypatch

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