Wietse Venema Postfix vulnerabilities

4 vulnerabilities

Known vulnerabilities in Wietse Venema Postfix, newest first, with CVSS severity, EPSS, KEV listings, ransomware use and the affected versions.

5CVE-2003-0468conectivalinux+2
EPSS score
2.38%
Postfix 1.1.11 and earlier allows remote attackers to use Postfix to conduct "bounce scans" or DDos attacks of other hosts via an email address to the local host containing the target IP address and service name followed by a "!" string, which causes Postfix to attempt to use SMTP to communicate with the target on the associated port.5CVE-2003-0540conectivalinux+2
EPSS score
21.26%
The address parser code in Postfix 1.1.12 and earlier allows remote attackers to cause a denial of service (lock) via (1) a malformed envelope address to a local host that would generate a bounce and contains the ".!" string in the MAIL FROM or Errors-To headers, which causes nqmgr to lock up, or (2) via a valid MAIL FROM with a RCPT TO containing a ".!" string, which causes an instance of the SMTP listener to lock up.5CVE-2001-0894wietse_venemapostfix
EPSS score
1.91%
Vulnerability in Postfix SMTP server before 20010228-pl07, when configured to email the postmaster when SMTP errors cause the session to terminate, allows remote attackers to cause a denial of service (memory exhaustion) by generating a large number of SMTP errors, which forces the SMTP session log to grow too large.7.5CVE-2005-0337debianpostfix+7
EPSS score
2.81%
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.