CVE-2026-7771

IBM Db2 versions 11.5.0 through 11.5.9 and 12.1.0 through 12.1.4 are susceptible to a denial-of-service condition triggered by specially crafted statements with subqueries. This vulnerability could disrupt database availability, making it critical for organizations using these Db2 versions to prioritize patching and mitigation efforts. Database administrators and security teams should assess their environments for exposure to this issue.