Multiple vulnerabilities have been discovered in Mutt, and NeoMutt.
Please review the CVE identifiers referenced below for details.
Impact
A remote attacker could entice a user to open a specially crafted mail
message or connect to malicious mail server using Mutt or NeoMutt,
possibly resulting in execution of arbitrary code or directory traversal
with the privileges of the process or a Denial of Service condition.
Workaround
There is no known workaround at this time.
Resolution
All Mutt users should upgrade to the latest version:
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.