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Ubuntu Security Notice USN-6374-2
October 19, 2023
mutt vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 23.10
Summary:
Mutt could be made to crash if it received specially crafted
input.
Software Description:
- mutt: text-based mailreader supporting MIME, GPG, PGP and threading
Details:
USN-6374-1 fixed vulnerabilities in Mutt. This update provides the
corresponding updates for Ubuntu 23.10.
Original advisory 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)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 23.10:
   mutt                            2.2.9-1ubuntu0.23.10.1
In general, a standard system update will make all the necessary changes.
References:
   https://ubuntu.com/security/notices/USN-6374-2
   https://ubuntu.com/security/notices/USN-6374-1
   CVE-2023-4874, CVE-2023-4875
Package Information:
   https://launchpad.net/ubuntu/+source/mutt/2.2.9-1ubuntu0.23.10.1