Phpmailer Security Vulnerabilities

CVE-2005-1807

The Data function in class.smtp.php in PHPMailer 1.7.2 and earlier allows remote attackers to cause a denial of service (infinite loop leading to memory and CPU consumption) via a long header field.

CVE-2007-3215

PHPMailer 1.7, when configured to use sendmail, allows remote attackers to execute arbitrary shell commands via shell metacharacters in the SendmailSend function in class.phpmailer.php.