Tom Lane discovered that ALTER ... DEPENDS ON EXTENSION
sub commands
in the PostgreSQL database did not perform authorisation checks.
For the stable distribution (buster), this problem has been fixed in version 11.7-0+deb10u1.
postgresql-11 패키지를 업그레이드 하는 게 좋음.
postgresql-11의 자세한 보안 상태는 보안추적 페이지 참조: \ https://security-tracker.debian.org/tracker/postgresql-11