Security update for shim (important)

shim has been updated to fix three security issues:

   * OOB read access when parsing DHCPv6 packets (remote DoS)
     (CVE-2014-3675).
   * Heap overflow when parsing IPv6 addresses provided by tftp:// DHCPv6
     boot option (RCE) (CVE-2014-3676).
   * Memory corruption when processing user provided MOK lists
     (CVE-2014-3677).

Security Issues:

   * CVE-2014-3675
     &lt;<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3675">http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3675</a>&gt;
   * CVE-2014-3676
     &lt;<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3676">http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3676</a>&gt;
   * CVE-2014-3677
     &lt;<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3677">http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3677</a>&gt;