Affected Fixed by
pkg:alpm/archlinux/kmail@17.04.1-1 pkg:alpm/archlinux/kmail@17.04.2-1
pkg:alpm/archlinux/messagelib@17.04.1-1 pkg:alpm/archlinux/messagelib@17.04.2-1
pkg:deb/debian/kf5-messagelib@4:16.04.3-3~deb9u1 pkg:deb/debian/kf5-messagelib@4:18.08.3-2