CVE-2025-2534 MEDIUM

CVE-2025-2534: IBM Db2 denial of service

Vendor Ibm

Product Db2

Weakness CWE-789

Published November 7, 2025

Last update November 7, 2025

View on NVD All CVEs

CVSS base score

5.3/10

Attack vector Network

Attack complexity High

Privileges required Low

User interaction None

Confidentiality None

Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 7, 2025 CVE published

November 7, 2025 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2025-2534 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/789.html

Identifiers

CVE CVE-2025-2534

CWE CWE-789

CVSS 5.3 / MEDIUM

Affected versions

Vendor Ibm

Product Db2

Affected ≥ 11.1.0 and ≤ 11.1.4.7

Vendor Ibm

Product Db2

Affected ≥ 11.5.0 and ≤ 11.5.9

Vendor Ibm

Product Db2

Affected ≥ 12.1.0 and ≤ 12.1.3