Referenced CVEs: 
CVE-2008-1372
Description: 
=========================================================== Ubuntu Security Notice USN-590-1 March 24, 2008 bzip2 vulnerability CVE-2008-1372 =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 6.06 LTS Ubuntu 6.10 Ubuntu 7.04 Ubuntu 7.10 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: libbz2-1.0 1.0.3-0ubuntu2.1 Ubuntu 6.10: libbz2-1.0 1.0.3-3ubuntu0.1 Ubuntu 7.04: libbz2-1.0 1.0.3-6ubuntu0.1 Ubuntu 7.10: libbz2-1.0 1.0.4-0ubuntu2.1 In general, a standard system upgrade is sufficient to effect the necessary changes. Details follow: It was discovered that bzip2 did not correctly handle certain malformed archives. If a user or automated system were tricked into processing a specially crafted bzip2 archive, applications linked against libbz2 could be made to crash, possibly leading to a denial of service.