Advisory Published

USN-4354-1: Mailman vulnerability

First published: Mon May 11 2020(Updated: )

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

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/mailman<1:2.1.26-1ubuntu0.2
1:2.1.26-1ubuntu0.2
Ubuntu Linux=18.04
All of
ubuntu/mailman<1:2.1.20-1ubuntu0.5
1:2.1.20-1ubuntu0.5
Ubuntu Linux=16.04

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this Mailman vulnerability?

    The vulnerability ID for this Mailman vulnerability is USN-4354-1.

  • What is the severity of the Mailman vulnerability?

    The severity of the Mailman vulnerability is not mentioned in the provided information.

  • How can an attacker exploit this vulnerability?

    An attacker could possibly inject arbitrary content in the Mailman login page using this vulnerability.

  • Which versions of Mailman are affected by this vulnerability?

    Mailman versions 1:2.1.26-1ubuntu0.2 and 1:2.1.20-1ubuntu0.5 are affected by this vulnerability.

  • How can I fix the Mailman vulnerability?

    To fix the Mailman vulnerability, update to version 1:2.1.26-1ubuntu0.2 or 1:2.1.20-1ubuntu0.5 depending on the affected version.

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