mutt vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

* Ubuntu 20.04 LTS
* Ubuntu 19.10
* Ubuntu 18.04 LTS
* Ubuntu 16.04 LTS
* Ubuntu 12.04 ESM

Summary

Several security issues were fixed in Mutt.

Software Description

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

Details

It was discovered that Mutt incorrectly handled certain requests.
An attacker could possibly use this issue to enable MITM attacks.
(CVE-2020-14093)

It was discovered that Mutt incorrectly handled certain requests.
An attacker could possibly use this issue to proceeds with a
connection even if the user rejects an expired intermediate
certificate. (CVE-2020-14154)

Update instructions

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

Ubuntu 20.04 LTS
mutt - 1.13.2-1ubuntu0.1

Ubuntu 19.10
mutt - 1.10.1-2.1ubuntu0.1

Ubuntu 18.04 LTS
mutt - 1.9.4-3ubuntu0.2

Ubuntu 16.04 LTS
mutt - 1.5.24-1ubuntu0.3

Ubuntu 12.04 ESM
mutt - 1.5.21-5ubuntu2.4

To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart mutt to make
all the necessary changes.

References

* CVE-2020-14093
* CVE-2020-14154

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