[SECURITY] [DLA 1968-1] imagemagick security update

Package : imagemagick
Version : 8:6.8.9.9-5+deb8u18
CVE ID : CVE-2019-11470 CVE-2019-14981 CVE-2019-15139 CVE-2019-15140

Multiple vulnerabilities have been found in imagemagick, an image processing
toolkit.

CVE-2019-11470

Uncontrolled resource consumption caused by insufficiently sanitized image
size in ReadCINImage (coders/cin.c). This vulnerability might be leveraged
by remote attackers to cause denial of service via a crafted Cineon image.

CVE-2019-14981

Divide-by-zero vulnerability in MeanShiftImage (magick/feature.c). This
vulnerability might be leveraged by remote attackers to cause denial of
service via crafted image data.

CVE-2019-15139

Out-of-bounds read in ReadXWDImage (coders/xwd.c). This vulnerability might
be leveraged by remote attackers to cause denial of service via a crafted
XWD (X Window System window dumping file) image file.

CVE-2019-15140

Bound checking issue in ReadMATImage (coders/mat.c), potentially leading to
use-after-free. This vulnerability might be leveraged by remote attackers to
cause denial of service or any other unspecified impact via a crafted MAT
image file.

For Debian 8 "Jessie", these problems have been fixed in version
8:6.8.9.9-5+deb8u18.

We recommend that you upgrade your imagemagick 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