optimizer bug

About this tag
The optimizer bug tag on WindowsForum.com covers denial-of-service vulnerabilities in the MySQL Server optimizer component. Recent discussions focus on Oracle security advisories, including CVE-2024-20977 and CVE-2025-50084, which allow remote attackers to crash or hang MySQL instances. Topics include patching guidance, risk assessment for production environments, and mitigation steps for database administrators. While the tag is database-specific, it is relevant to Windows systems running MySQL in enterprise or cloud settings.
  1. MySQL CVE-2024-20977: Patch the optimizer DoS vulnerability now

    Oracle’s January 2024 security advisory revealed a stability flaw in the MySQL Server optimizer that can be triggered remotely by a low‑privilege, network‑accessible account to hang or repeatedly crash the server process, producing a reliable denial‑of‑service (DoS) condition for affected MySQL...
  2. CVE-2025-50084: MySQL Server Optimizer DoS Patch and Protect

    Oracle’s MySQL Server was assigned CVE‑2025‑50084 in July 2025 — a denial‑of‑service weakness in the Server: Optimizer component that affects a broad range of production releases and demands immediate operational attention from DBAs and platform teams. The bug allows a high‑privileged actor with...