Debian Security Advisory

DLA-2472-1 mutt -- LTS security update

Date Reported:
30 Nov 2020
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2020-28896.
More information:

In Mutt, a text-based Mail User Agent, invalid IMAP server responses were not properly handled, potentially resulting in authentication credentials being exposed or man-in-the-middle attacks.

For Debian 9 stretch, this problem has been fixed in version 1.7.2-1+deb9u4.

We recommend that you upgrade your mutt packages.

For the detailed security status of mutt please refer to its security tracker page at:

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