In SQLite 3.27.2, running fts5 prefix queries inside a transaction could trigger a heap-based buffer over-read in fts5HashEntrySort in sqlite3.c, which may lead to an information leak. This is related to ext/fts5/fts5_hash.c.
CREATE(Triage): {Link=https://nvd.nist.gov/vuln/detail/CVE-2019-9936 User=admin}
