USN-4406-1: Mailman vulnerability

29 June 2020

mailman vulnerability


  • mailman - Powerful, web-based mailing list manager
  • mailman - Web-based mailing list manager (legacy branch)


It was discovered that Mailman incorrectly handled certain inputs.
An attacker could possibly use this issue to inject arbitrary content
in the login page.

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 18.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.