Quick turnaround!
July 14, 2022: Reported vulnerability to the Computer Emergency Response Team (CERT) Coordination Center.
July 15, 2022: CERT/CC reported vulnerability to SQLite maintainers.
July 18, 2022: SQLite maintainers confirmed the vulnerability and fixed it in source code.
July 21, 2022: SQLite maintainers released SQLite version 3.39.2 with fix.