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USN-4406-1: Mailman vulnerability

29 June 2020

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

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Releases

Packages

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

Details

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

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

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.

References

Related notices

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Further reading