Attempting to open a carefully crafted PDF results in a long-running computation. The page tree nodes are deeply nested where a child page tree node may be a descendent of multiple parents.
Created ghostscript tracking bugs for this issue:
Affects: fedora-all [bug 1656319]
Please refer to the "Mitigation" section of CVE-2018-16509 : https://access.redhat.com/security/cve/cve-2018-16509
Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Moderate, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.