Updated imagemagick packages has been released for Debian GNU/Linux 7 LTS

Package : imagemagick
Version : 8:6.7.7.10-5+deb7u22
CVE ID : CVE-2017-18271 CVE-2017-18273 CVE-2018-11251

Several security vulnerabilities were discovered in ImageMagick, an
image manipulation program, that allow remote attackers to cause a
denial of service via CPU exhaustion (infinite loop) or heap-based
buffer overreads with a crafted image file.

For Debian 7 "Wheezy", these problems have been fixed in version
8:6.7.7.10-5+deb7u22.

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

  Imagemagick Security Update for Debian 7 LTS