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USN-4354-1: Mailman vulnerability

11 May 2020

Mailman could be made to inject arbitrary content in the login page if it received a specially crafted input.



  • 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.


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