[Secure-testing-team] Bug#885340: CVE-2017-17504

[Moritz Muehlenhoff]

Package: imagemagick
Severity: important
Tags: security

https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-17504:
https://github.com/ImageMagick/ImageMagick/issues/872

ImageMagick-6: https://github.com/ImageMagick/ImageMagick/commit/ce3a586a43a7d13442587eb7f28d129557b6a135
ImageMagick-7: https://github.com/ImageMagick/ImageMagick/commit/59c49559e302e06bfba46cb6feb4e39adbe675b6
ImageMagick-7: https://github.com/ImageMagick/ImageMagick/commit/fb89192c4ca1600741af79dd22166a7d91e76924