cmus 2.3.1 has been released. Please add an ebuild for it to the Portage tree.
good, upstream applied the security patch in this rel *cmus-2.3.1 (29 Mar 2010) 29 Mar 2010; Samuli Suominen <ssuominen@gentoo.org> +cmus-2.3.1.ebuild: Version bump wrt #311637 by "srunni".