[Secure-testing-team] Bug#836171: TIFF divide by zero

[Bastien ROUCARIES]

Package: src:imagemagick
version: 8:6.7.7.10-4
Severity: grave
Tags: patch security
X-Debbugs-CC: secure-testing-team at lists.alioth.debian.org

According to upstream changelog a new
commit f983dcdf9c178e0cbc49608a78713c5669aa1bb5
Author: Cristy <urban-warrior at imagemagick.org>
Date:   Wed Aug 24 09:43:31 2016 -0400

    Fix TIFF divide by zero (bug report from Donghai Zhu)