* SECURITY UPDATE: fix detection bypass via malformed tar entry with
  length that exceeds tar size
  - libclamav/untar.c: scan output at end of truncated tar
  - http://git.clamav.net/gitweb?p=clamav-devel.git;a=commit;h=8e199ae3cfb2b862b8bc36d9a01c8f8d716169ab
  - CVE-2012-1457
* SECURITY UPDATE: fix detection bypass via crafted reset interval in
  CHM file
  - libclamav/mspack.c: properly scan chm with invalid handling.
  - http://git.clamav.net/gitweb?p=clamav-devel.git;a=commit;h=a58b68f8adf2466b761ce05f74a4580c1f74fbe6
  - http://git.clamav.net/gitweb?p=clamav-devel.git;a=commit;h=9d6be7c56091f012e90074122db4ec12d3516011
  - CVE-2012-1458
* SECURITY UPDATE: fix detection bypass via tar archive with invalid
  length field
  - libclamav/untar.c: improve logic, look at checksums
  - http://git.clamav.net/gitweb?p=clamav-devel.git;a=commit;h=c3c807d78b09b3f64630601002fdc7db257d89da
  - http://git.clamav.net/gitweb?p=clamav-devel.git;a=commit;h=9d6be7c56091f012e90074122db4ec12d3516011
  - CVE-2012-1459