USN-4645-1: Mutt vulnerability

Publication date

25 November 2020

Overview

Mutt could be made to expose sensitive information.


Packages

  • mutt - text-based mailreader supporting MIME, GPG, PGP and threading

Details

It was discovered that Mutt incorrectly handled certain connections.
An attacker could possibly use this issue to expose sensitive information.

It was discovered that Mutt incorrectly handled certain connections.
An attacker could possibly use this issue to expose sensitive information.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
20.10 groovy mutt –  1.14.6-1ubuntu0.1
20.04 focal mutt –  1.13.2-1ubuntu0.3
18.04 bionic mutt –  1.9.4-3ubuntu0.4
16.04 xenial mutt –  1.5.24-1ubuntu0.5
12.04 precise mutt –  1.5.21-5ubuntu2.6

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.


Have additional questions?

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