# debsecan > Debian Security Analyzer, a tool to list vulnerabilities on a particular Debian installation. > More information: . - List vulnerable installed packages on the current host: `debsecan` - List vulnerable installed packages of a specific suite: `debsecan --suite {{release_code_name}}` - List only fixed vulnerabilities: `debsecan --suite {{release_code_name}} --only-fixed` - List only fixed vulnerabilities of unstable ("sid") and mail to root: `debsecan --suite {{sid}} --only-fixed --format {{report}} --mailto {{root}} --update-history` - Upgrade vulnerable installed packages: `sudo apt upgrade $(debsecan --only-fixed --format {{packages}})`