A mutt security update has been released for Debian GNU/Linux 9 LTS to address an issue that can cause a crash, or expose sensitive information.

DLA 2999-1: mutt security update

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Debian LTS Advisory DLA-2999-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Utkarsh Gupta
May 11, 2022   https://wiki.debian.org/LTS
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Package : mutt
Version : 1.7.2-1+deb9u6
CVE ID : CVE-2022-1328
Debian Bug : 1009734

It was discovered that Mutt, a text-based mailreader supporting MIME,
GPG, PGP and threading, incorrectly handled certain input. An attacker
could possibly use this issue to cause a crash, or expose sensitive
information.

For Debian 9 stretch, this problem has been fixed in version
1.7.2-1+deb9u6.

We recommend that you upgrade your mutt packages.

For the detailed security status of mutt please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/mutt

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://wiki.debian.org/LTS