The following ERRATA for SL 302/303 x86_64 are now available from:
ftp://ftp.scientificlinux.org/linux/scientific/{302,303}/x86_64/errata/SL/RPMS/

RHSA-2004:636-03 - Updated ImageMagick packages fix security vulnerability

  ImageMagick-5.5.6-7.x86_64.rpm
  ImageMagick-c++-5.5.6-7.x86_64.rpm
  ImageMagick-c++-devel-5.5.6-7.x86_64.rpm
  ImageMagick-devel-5.5.6-7.x86_64.rpm
  ImageMagick-perl-5.5.6-7.x86_64.rpm

-Connie