CVE-2023-50308: IBM DB2

Medium severity, CVSS 6.5. EPSS: 0.8% chance of exploitation in the next 30 days.

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5 under certain circumstances could allow an authenticated user to the database to cause a denial of service when a statement is run on columnar tables. IBM X-Force ID: 273393.

Affected products

  • IBM DB2: before 11.5.9 (fixed in 11.5.9)

Published 2024-01-22. Last modified 2026-06-17.