libxslt - security update

Several vulnerabilities were found in libxslt.

• CVE-2015-7995
  A missing type check could cause an application crash via a
  especially crafted file.
• CVE-2016-1683
  An out of bounds heap access bug was found in libxslt.
• CVE-2016-1684
  There was an integer overflow bug in libxslt that could lead to an
  application crash.

For Debian 7 Wheezy, these problems have been fixed in version
1.1.26-14.1+deb7u1.

We recommend that you upgrade your libxslt packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: <https://wiki.debian.org/LTS&gt;