Vulnerability · Published Nov 7, 2025 · Assigned by ibm

CVE-2025-2534IBM Db2 denial of service

Medium 5.3

In plain English

A medium-severity security flaw in Db2 from IBM. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 77.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
IBM Db2 11.1.0 – through 11.1.4.711.5.0 – through 11.5.912.1.0 – through 12.1.3

Weakness: CWE-789 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

References