CVE-2023-40373

MEDIUM

IBM Db2 11.5-11.5.8 - Denial of Service via Crafted Query with Common Table Expressions

Title source: llm

Description

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) is vulnerable to denial of service with a specially crafted query containing common table expressions. IBM X-Force ID: 263574.

References (3)

Core 3

Core References

Third Party Advisory

https://security.netapp.com/advisory/ntap-20231116-0006/

Vendor Advisory vendor-advisory

https://www.ibm.com/support/pages/node/7047563

VDB Entry, Vendor Advisory vdb-entry

https://exchange.xforce.ibmcloud.com/vulnerabilities/263574

Scores

CVSS v3 5.3

EPSS 0.0005

EPSS Percentile 14.7%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-20

Status published

Products (3)

ibm/db2 10.5 (12 CPE variants)

ibm/db2 11.1.4 (7 CPE variants)

ibm/db2 11.5 - 11.5.8

Published Oct 17, 2023

Tracked Since Feb 18, 2026