libvorbis is the reference implementation of the Xiph.org Ogg Vorbis audio file format. It is used by many applications for playback of Ogg Vorbis files.
Multiple vulnerabilities have been discovered in libvorbis. Please review the CVE identifiers referenced below for details.
A remote attacker, by enticing the user to process a specially crafted audio file, could possibly cause a Denial of Service condition.
There is no known workaround at this time.
All libvorbis users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libvorbis-1.3.6-r1"