USN-6374-1: Mutt vulnerabilities

Publication date

14 September 2023

Overview

Mutt could be made to crash if it received specially crafted input.


Packages

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

Details

It was discovered that Mutt incorrectly handled certain email header
contents. If a user were tricked into opening a specially crafted message,
a remote attacker could possibly use this issue to cause a denial of
service. (CVE-2023-4874, CVE-2023-4875)

It was discovered that Mutt incorrectly handled certain email header
contents. If a user were tricked into opening a specially crafted message,
a remote attacker could possibly use this issue to cause a denial of
service. (CVE-2023-4874, CVE-2023-4875)

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
23.04 lunar mutt –  2.2.9-1ubuntu0.23.04.1
22.04 jammy mutt –  2.1.4-1ubuntu1.2
20.04 focal mutt –  1.13.2-1ubuntu0.6
18.04 bionic mutt –  1.9.4-3ubuntu0.6+esm1  
16.04 xenial mutt –  1.5.24-1ubuntu0.6+esm3  
mutt-patched –  1.5.24-1ubuntu0.6+esm3  

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