It was discovered that libvorbis did not correctly handle certain malformed ogg files. If a user were tricked into opening a specially crafted ogg file with an application that uses libvorbis, an attacker could execute arbitrary code with the user"s privileges. USN-682-1 provided updated libvorbis packages to fix multiple security vulnerabilities. The upstream security patch to fix CVE-2008-1420 introduced a regression when reading sound files encoded with libvorbis 1.0beta1. This update corrects the problem. Original advisory details: It was discovered that libvorbis did not correctly handle certain malformed sound files. If a user were tricked into opening a specially crafted sound file with an application that uses libvorbis, an attacker could execute arbitrary code with the user"s privileges