CVE-2026-6053

IBM Db2 is affected by CVE-2026-6053: denial of service when a specially crafted query runs against range-partitioned tables. Affected: Db2 Server 11.5.0–11.5.9 and 12.1.0–12.1.4. CVSS v3.1 base score 5.5 (LOCAL attack, low complexity, high impact on availability). Root cause: CWE-770 (unbounded ...