An issue was discovered in Mutt before 1.10.1 and NeoMutt before 2018-07-16. They have a buffer overflow via base64 data. References: http://www.mutt.org/news.html Upstream Patch: https://gitlab.com/muttmua/mutt/commit/3d9028fec8f4d08db2251096307c0bbbebce669a
Created mutt tracking bugs for this issue: Affects: fedora-all [bug 1604086]