USN-861-1: libvorbis vulnerabilities

24 November 2009

libvorbis vulnerabilities

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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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

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.