sqlite: mishandling of certain uses of SELECT DISTINCT involving a LEFT JOIN in flattenSubquery in select.c leads to a NULL pointer dereference

flattenSubquery in select.c in SQLite 3.30.1 mishandles certain uses of SELECT DISTINCT involving a LEFT JOIN in which the right-hand side is a view. This can cause a NULL pointer dereference or incorrect results...

SQLite Code Issue Vulnerability

SQLite is the United States D. Richard Hipp software developers of a set of C-based open source embedded relational database management system. The system is characterized by independence, isolation, cross-platform and so on. SQLite 3.30.1 version of the select.c file of the flattenSubquery there...