The Debian zuluPolkit/CMakeLists.txt file for zuluCrypt through the zulucrypt_6.2.0-1 package has insecure PolicyKit allow_any/allow_inactive/allow_active settings that allow a local user to escalate their privileges to root.
https://deb.debian.org/debian/pool/main/z/zulucrypt/zulucrypt_6.2.0-1.dsc