Postfix 2.1.3, when /proc/net/ifinet6 is not available and permitmxbackup is enabled in smtpdrecipient_restrictions, allows remote attackers to bypass e-mail restrictions and perform mail relaying by sending mail to an IPv6 hostname.
{ "urgency": "not yet assigned" }
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2005-0337.json"