unzip - regression update

Two vulnerabilities have been found in unzip, a de-archiver for .zip
files. The Common Vulnerabilities and Exposures project identifies the
following problems:

• CVE-2015-7696
  Gustavo Grieco discovered that unzip incorrectly handled certain
  password protected archives. If a user or automated system were
  tricked into processing a specially crafted zip archive, an attacker
  could possibly execute arbitrary code.
• CVE-2015-7697
  Gustavo Grieco discovered that unzip incorrectly handled certain
  malformed archives. If a user or automated system were tricked into
  processing a specially crafted zip archive, an attacker could
  possibly cause unzip to hang, resulting in a denial of service.

For the oldstable distribution (wheezy), these problems have been fixed
in version 6.0-8+deb7u4.

For the stable distribution (jessie), these problems have been fixed in
version 6.0-16+deb8u1.

For the testing distribution (stretch), these problems have been fixed
in version 6.0-19.

For the unstable distribution (sid), these problems have been fixed in
version 6.0-19.

We recommend that you upgrade your unzip packages.