An exploitable use after free vulnerability exists in the window function functionality of Sqlite3 3.26.0. A specially crafted SQL command can cause a use after free vulnerability, potentially resulting in remote code execution. An attacker can send a malicious SQL command to trigger this vulnerability.
https://usn.ubuntu.com/4205-1/
https://security.netapp.com/advisory/ntap-20190521-0001/
https://security.gentoo.org/glsa/201908-09
http://packetstormsecurity.com/files/152809/Sqlite3-Window-Function-Remote-Code-Execution.html