php5 - security update

Multiple vulnerabilities have been discovered in PHP:

• CVE-2015-4025 /
  CVE-2015-4026
  Multiple function didn’t check for NULL bytes in path names.
• CVE-2015-4024
  Denial of service when processing multipart/form-data requests.
• CVE-2015-4022
  Integer overflow in the ftp_genlist() function may result in
  denial of service or potentially the execution of arbitrary code.
• CVE-2015-4021
  CVE-2015-3329
  CVE-2015-2783
  Multiple vulnerabilities in the phar extension may result in
  denial of service or potentially the execution of arbitrary code
  when processing malformed archives.

For the oldstable distribution (wheezy), these problems have been fixed
in version 5.4.41-0+deb7u1.

For the stable distribution (jessie), these problems have been fixed in
version 5.6.9+dfsg-0+deb8u1.

For the testing distribution (stretch), these problems have been fixed
in version 5.6.9+dfsg-1.

For the unstable distribution (sid), these problems have been fixed in
version 5.6.9+dfsg-1.

We recommend that you upgrade your php5 packages.