CVE-2023-27559

MEDIUM

IBM Db2 10.5, 11.1, 11.5 - Denial of Service via Crafted Subquery

Title source: llm

Description

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to a denial of service as the server may crash when using a specially crafted subquery. IBM X-Force ID: 249196.

References (3)

Core 3

Core References

Third Party Advisory

https://security.netapp.com/advisory/ntap-20230511-0010/

Vendor Advisory vendor-advisory

https://www.ibm.com/support/pages/node/6985667

VDB Entry, Vendor Advisory vdb-entry

https://exchange.xforce.ibmcloud.com/vulnerabilities/249196

Scores

CVSS v3 5.3

EPSS 0.0015

EPSS Percentile 35.8%

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 11.1 - 11.1.4

Published Apr 26, 2023

Tracked Since Feb 18, 2026