Mailscanner » Mailscanner : Security Vulnerabilities, CVEs, Published In 2019

mailscanner can allow local users to prevent virus signatures from being updated

The update{_bad,}_phishing_sites scripts in mailscanner 4.79.11-2 downloads files and trusts them without using encryption (e.g., https) or digital signature checking which could allow an attacker to replace certain configuration files (e.g., phishing whitelist) via dns/packet spoofing.

mailscanner before 4.79.11-2.1 might allow local users to overwrite arbitrary files via a symlink attack on certain temporary files. NOTE: this issue exists because of an incomplete fix for CVE-2008-5313.