Gentoo Linux Security Advisory GLSA 200909-02 – A processing error in libvorbis might result in the execution of arbitrary code or a Denial of Service. Lucas Adamski reported that libvorbis does not correctly process file headers, related to static mode headers and encoding books. Versions less than 1.2.3 are affected.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/81037/glsa-200909-02.txt
Source: https://packetstormsecurity.com/files/81037/Gentoo-Linux-Security-Advisory-200909-2.html