A Mutt security update has been released for Gentoo Linux.

GLSA 202101-25 : Mutt: Denial of service

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Gentoo Linux Security Advisory GLSA 202101-25
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  https://security.gentoo.org/
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Severity: Normal
Title: Mutt: Denial of service
Date: January 26, 2021
Bugs: #765790
ID: 202101-25

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Synopsis
=======
A vulnerability in Mutt could lead to a Denial of Service condition.

Background
=========
Mutt is a small but very powerful text-based mail client.

Affected packages
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Package / Vulnerable / Unaffected
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1 mail-client/mutt < 2.0.4-r1 &rt;= 2.0.4-r1

Description
==========
A memory leak could occur when a crafted email message is received.

Impact
=====
An attacker could cause a possible Denial of Service condition.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All Mutt users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose "&rt;=mail-client/mutt-2.0.4-r1"

References
=========
[ 1 ] CVE-2021-3181
  https://nvd.nist.gov/vuln/detail/CVE-2021-3181

Availability
===========
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

  https://security.gentoo.org/glsa/202101-25

Concerns?
========
Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users' machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
  https://bugs.gentoo.org.

License
======
Copyright 2021 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

  https://creativecommons.org/licenses/by-sa/2.5