https://tsecurity.de/de/1462669/IT+Sicherheit/Cybersecurity+Nachrichten/21+nails+in+Exim+mail+server%3A+Vulnerabilities+enable+%27full+remote+unauthenticated+code+execution%27%2C+millions+of+boxes+at+risk/
21 nails in Exim mail server: Vulnerabilities enable 'full remote unauthenticated code execution', millions of boxes at risk