A security issue affects the following Ubuntu releases:
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 10.10: libvpx0 0.9.2-1ubuntu0.1
In general, a standard system update will make all the necessary changes.
Christoph Diehl discovered that libvpx did not properly perform bounds checking. If an application using libvpx opened a specially crafted WebM file, an attacker could cause a denial of service or possibly execute code as the user invoking the program.