Postfix vulnerabilitiesRanked by how likely they are to be used.
Postfix is made by Wietse Venema. We track 4 published vulnerabilities in it, across 8 versions. None of them is on the list of flaws known to be exploited today. If you run Postfix, keep it on a version the vendor still supports.
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Which Postfix vulnerabilities are being exploited?
This is the list that matters most: flaws criminals are using now.
None of Postfix's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.
Which Postfix flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- 21%CVE-2003-0540Medium
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...
- 2.8%CVE-2005-0337High
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...
- 2.4%CVE-2003-0468Medium
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...
- 1.9%CVE-2001-0894Medium
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...
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1 new flaw affects software Acme tracks
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.
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- Postfix on Acme's software list
- What to do
- Plan in the vendor’s update
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
We track 4 published vulnerabilities listed under the name Postfix, across 8 versions.
None of Postfix's vulnerabilities is on the list of flaws known to be exploited today.
Create a Precursor Intelligence account and track Postfix. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.