Wietse Venema: >> Postfix >> 2.1.3 Security Vulnerabilities
Postfix 2.1.3, when /proc/net/if_inet6 is not available and permit_mx_backup is enabled in smtpd_recipient_restrictions, allows remote attackers to bypass e-mail restrictions and perform mail relaying by sending mail to an IPv6 hostname.
CVSS Score
7.5
EPSS Score
0.008
Published
2005-05-02