The remote host is missing updates announced in advisory GLSA 201101-03.

All libvpx users should upgrade to the latest stable version: # emerge --sync # emerge --ask --oneshot --verbose '>=media-libs/libvpx-0.9.5' Packages which depend on this library may need to be recompiled. Tools such as revdep-rebuild may assist in identifying some of these packages. http://www.securityspace.com/smysecure/catid.html?in=GLSA%20201101-03 http://bugs.gentoo.org/show_bug.cgi?id=345559

Timothy B. Terriberry discovered that libvpx contains an integer overflow vulnerability in the processing of video streams that may allow user-assisted execution of arbitrary code.