CVE-2026-7771

MEDIUM

IBM Db2 11.5.0-11.5.9 and 12.1.0-12.1.4 - Query Compilation Denial of Service

Title source: manual
STIX 2.1

Description

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to a trap when compiling a specially crafted statements containing subqueries could lead to a denial of service.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
https://www.ibm.com/support/pages/node/7279480

Scores

CVSS v3 5.5
EPSS 0.0010
EPSS Percentile 1.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-835
Status published
Products (3)
IBM/Db2 11.5.0 - 11.5.9
ibm/db2 11.5.0 - 11.5.9
IBM/Db2 12.1.0 - 12.1.4
Published Jul 17, 2026
Tracked Since Jul 18, 2026