Sqlalchemy mako before 1.2.2 is vulnerable to Regular expression Denial of Service when using the Lexer class to parse. This also affects babelplugin and linguaplugin.
https://pyup.io/vulnerabilities/CVE-2022-40023/50870/
https://pyup.io/posts/pyup-discovers-redos-vulnerabilities-in-top-python-packages/
https://lists.debian.org/debian-lts-announce/2022/09/msg00026.html
https://github.com/sqlalchemy/mako/issues/366
https://github.com/sqlalchemy/mako/commit/925760291d6efec64fda6e9dd1fd9cfbd5be068c