CVE-2026-87958

IBM Db2 versions 11.5.0 to 11.5.9 and 12.1.0 to 12.1.5 are susceptible to a denial of service attack, where a privileged user can disable critical functionality on the Db2 server under specific conditions. This vulnerability could lead to significant service disruptions, making it imperative for organizations using these Db2 versions to prioritize immediate remediation efforts. Database administrators and security teams should assess their environments for exposure and apply necessary patches or mitigations.