[SECURITY] [DLA 1022-1] tiff security update

Package : tiff
Version : 4.0.2-6+deb7u15
CVE ID : CVE-2017-9936 CVE-2017-10688
Debian Bug : 866113 866611

Two vulnerabilities have been discovered in the libtiff library and the
included tools, which may result in denial of service or the execution
of arbitrary code.

CVE-2017-9936

A crafted TIFF document can lead to a memory leak resulting in a
remote denial of service attack.

CVE-2017-10688

A crafted input will lead to a remote denial of service attack.

For Debian 7 "Wheezy", these problems have been fixed in version
4.0.2-6+deb7u15.

We recommend that you upgrade your tiff 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