sqlite: Division by zero in whereLoopAddBtreeIndex in sqlite3.c

In SQLite through 3.29.0, whereLoopAddBtreeIndex in sqlite3.c can crash a browser or other application because of missing validation of a sqlitestat1 sz field, aka a "severe division by zero in the query planner."...

SQLite whereLoopAddBtreeIndex Heap Buffer Overflow DoS

The vulnerability of the whereLoopAddBtreeIndex function in the SQLite database management system is related to division by zero. Exploiting this vulnerability can allow a malicious actor to cause service interruptions remotely...