An issue was found in fts5UnicodeTokenize() in ext/fts5/fts5_tokenize.c in Sqlite. A unicode61 tokenizer configured to treat unicode "control-characters" (class Cc), was treating embedded nul characters as tokens. The issue was fixed in sqlite-3.34.0 and later. CREATE(Triage):(User=admin) CVE-2021-20223 (https://nvd.nist.gov/vuln/detail/CVE-2021-20223)
