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=========================================================== Ubuntu Security Notice USN-682-1 December 01, 2008 libvorbis vulnerabilities CVE-2008-1419, CVE-2008-1420, CVE-2008-1423 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 7.10 Ubuntu 8.04 LTS This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 6.06 LTS: libvorbis0a 1.1.2-0ubuntu2.3 Ubuntu 7.10: libvorbis0a 1.2.0.dfsg-1ubuntu0.1 Ubuntu 8.04 LTS: libvorbis0a 1.2.0.dfsg-2ubuntu0.1 After a standard system upgrade you need to restart any applications that use libvorbis, such as Totem and gtkpod, to effect the necessary changes. Details follow: 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.