CVE-2026-7771

IBM® Db2® is vulnerable to a trap when compiling specially crafted statements containing subqueries could lead to a denial of service

State: Published
Severity: 5.5 Medium
Published: Jul 17, 2026
Updated: Jul 21, 2026
Reserved: May 4, 2026

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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.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H	ibm

Weaknesses

CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')

Affected Products

Product	Versions
Db2IBM	11.5.0 through 11.5.9Affected 12.1.0 through 12.1.4Affected

References

https://www.ibm.com/support/pages/node/7279480vendor-advisorypatch

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