An error within the handling of specially crafted WPG files can result in a heap-based out-of-bounds write.
Created ImageMagick tracking bugs for this issue:
Affects: fedora-all [bug 1378790]
Red Hat Product Security has rated this issue as having Moderate security impact. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Issue Severity Classification: https://access.redhat.com/security/updates/classification/.