An ImageMagick bugfix update has been released for CentOS 7.

CentOS-announce: CEBA-2020:5464 CentOS 7 ImageMagick BugFix Update

CentOS Errata and Bugfix Advisory 2020:5464

Upstream details at :   https://access.redhat.com/errata/RHBA-2020:5464

The following updated files have been uploaded and are currently
syncing to the mirrors: ( sha256sum Filename )

x86_64:
d98a7567aa18df65a4b612f107387d6f50362fcef232a4c1fe5a246e2d477764 ImageMagick-6.9.10.68-4.el7.i686.rpm
cae6bd3ac4c68910abe44b5f1d6e48b99b76914d3a6223b9511bde08f8a3e1cd ImageMagick-6.9.10.68-4.el7.x86_64.rpm
b15c5bd5d17c47937d82efe2f0ce115cd380671ef484581d4184399c840e2c35 ImageMagick-c++-6.9.10.68-4.el7.i686.rpm
365ab6c383dd555fe42283836abe7f7014bf20c41b0828d72f1c13ab138cc1d1 ImageMagick-c++-6.9.10.68-4.el7.x86_64.rpm
96954d570d0d25ab837bbc471057f6a90d46ffff9195b1391abb3cbc708c7684 ImageMagick-c++-devel-6.9.10.68-4.el7.i686.rpm
5fa6b764fa4d36de1e4b14029d52584b86f65e0020290798aecbd853fb5b4ab5 ImageMagick-c++-devel-6.9.10.68-4.el7.x86_64.rpm
a1ac854d8e90e02d163b93f8f41c02c3b799b35db98f425c835e937468ad058b ImageMagick-devel-6.9.10.68-4.el7.i686.rpm
c119aff62d5c0644926253cc760d84d4a8fbbb2124668b95f93468f578a85b04 ImageMagick-devel-6.9.10.68-4.el7.x86_64.rpm
177ecfa448785c1fa6fae690a5662325ebe3e141bf45117920f280b5a8880a0a ImageMagick-doc-6.9.10.68-4.el7.x86_64.rpm
c7663ee5f2439075ade107aa7f0383f301032506d3673446ac4c84d046337418 ImageMagick-perl-6.9.10.68-4.el7.x86_64.rpm

Source:
598c2cc544545ae3793a50ae48b49060da080b5e0a04b1f08c40e14e29036b90 ImageMagick-6.9.10.68-4.el7.src.rpm