==========================================================================
Ubuntu Security Notice USN-6374-1
September 14, 2023 mutt vulnerabilities
========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 23.04
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro) 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: It was discovered that Mutt incorrectly handled certain email header
content. 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 23.04:   mutt                            2.2.9-1ubuntu0.23.04.1 Ubuntu 22.04 LTS:   mutt                            2.1.4-1ubuntu1.2 Ubuntu 20.04 LTS:   mutt                            1.13.2-1ubuntu0.6 Ubuntu 18.04 LTS (Available with Ubuntu Pro):   mutt                            1.9.4-3ubuntu0.6+esm1 Ubuntu 16.04 LTS (Available with Ubuntu Pro):   mutt                            1.5.24-1ubuntu0.6+esm3   mutt-patched                    1.5.24-1ubuntu0.6+esm3 In general, a standard system update will make all the necessary changes. References:   https://ubuntu.com/security/notices/USN-6374-1   CVE-2023-4874, CVE-2023-4875 Package Information:   https://launchpad.net/ubuntu/+source/mutt/2.2.9-1ubuntu0.23.04.1   https://launchpad.net/ubuntu/+source/mutt/2.1.4-1ubuntu1.2   https://launchpad.net/ubuntu/+source/mutt/1.13.2-1ubuntu0.6