Wietse Venema vulnerabilitiesNone on the known-exploited list.

Vendor
The short answer

Wietse Venema has 4 published vulnerabilities across 1 product in our catalogue. None of them is on the list of flaws known to be exploited today. The most affected product is Postfix, with 4. If you run Wietse Venema software, patch the exploited flaws first.

See the exploited flaws

We keep watching the known-exploited list.

Products

Which Wietse Venema products have the most vulnerabilities?

Postfix leads with 4 published vulnerabilities. Open a product to see its versions and which of its flaws criminals are already using.

  1. Postfix4
Published vulnerabilities
Known exploited

Which Wietse Venema vulnerabilities are being exploited?

This is the list that matters most: flaws criminals are using now.

None of Wietse Venema's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.

Exploit likelihood

Which Wietse Venema 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.

50% or more10% to 49%Under 10%
  1. 21%

    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...

    CVSS5.0Published27 Aug 2003
  2. 2.8%

    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...

    CVSS7.5Published2 May 2005
  3. 2.4%

    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...

    CVSS5.0Published27 Aug 2003
  4. 1.9%

    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...

    CVSS5.0Published11 Nov 2001
Every product

All Wietse Venema products we track.

1 products, most vulnerabilities first. Find the ones you run, then open a product to see its versions and exploited flaws.

Precursor Intelligence

Running Wietse Venema? We'll keep checking.

Looking flaws up one at a time doesn't scale. Tell us what you run once, and we tell you which flaws matter to you, in what order, and keep watching for new ones.

  1. Tell us what you runPick your software from a list, or let us work it out from your website.
  2. We match it to every flawOver 400,000 published flaws, checked against your list.
  3. Ranked by real-world riskA 0 to 100 score, led by evidence criminals are using it.
  4. Told as soon as we knowAn alert by email, in the app or by webhook to your own tools.

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FAQ

Common questions, answered plainly.

Something else? Talk to the team →

Our catalogue lists 4 published vulnerabilities across 1 product and 8 versions from Wietse Venema.

None of Wietse Venema's vulnerabilities is on the list of flaws known to be exploited today.

Postfix, with 4 published vulnerabilities. Its own page lists the ones known to be exploited.

Create a Precursor Intelligence account and track the Wietse Venema products you run. We match them against every published flaw, give each one a risk score from 0 to 100 and tell you as soon as we spot one that affects you, by email, in the app or by webhook.