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USN-861-1: libvorbis vulnerabilities

24 November 2009

libvorbis vulnerabilities

Releases

Packages

Details

It was discovered that libvorbis did not correctly handle ogg files with
underpopulated Huffman trees. If a user were tricked into opening a
specially crafted ogg file with an application that uses libvorbis, an
attacker could cause a denial of service. (CVE-2008-2009)

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 cause a denial
of service or possibly execute arbitrary code with the user's privileges.
(CVE-2009-3379)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 9.10
Ubuntu 9.04
Ubuntu 8.10
Ubuntu 8.04

After a standard system upgrade you need to restart any applications that
use libvorbis, such as Totem and gtkpod, to effect the necessary changes.