The remote host is missing updates announced in advisory GLSA 200405-06.

All users of libpng should upgrade to the latest stable version: # emerge sync # emerge -pv '>=media-libs/libpng-1.2.5-r5' # emerge '>=media-libs/libpng-1.2.5-r5' You should also run revdep-rebuild to rebuild any packages that depend on older versions of libpng : # revdep-rebuild http://www.securityspace.com/smysecure/catid.html?in=GLSA%20200405-06 http://bugs.gentoo.org/show_bug.cgi?id=49887

A bug in the libpng library can be abused to crash programs making use of that library to decode PNG images.