Rene Engelhard uploaded new packages for libreoffice which fixed the following
security problems:

CVE-2014-0247
  It was discovered that LibreOffice unconditionally executed certain VBA
  macros, contrary to user expectations.

  https://security-tracker.debian.org/tracker/CVE-2014-0247

The stable distribution (wheezy) is not affected by this issue.

For the testing (jessie) and unstable (sid) distributions, these
problems have been fixed in version 1:4.2.5-1.

For the wheezy-backports distribution, these problems have been fixed in
version 1:4.2.5-1~bpo70+1.