It was found that RHSA-2018:2918 did not fully fix CVE-2018-16509. An attacker could possibly exploit another variant of the flaw and bypass the -dSAFER protection to, for example, execute arbitrary shell commands via a specially crafted PostScript document. This only affects ghostscript 9.07 as shipped with Red Hat Enterprise Linux 7.
The product implements a protection mechanism that relies on a list of inputs (or properties of inputs) that are not allowed by policy or otherwise require other action to neutralize before additional processing takes place, but the list is incomplete.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ghostscript | Artifex | 9.07 (including) | 9.07 (including) |
| Red Hat Enterprise Linux 7 | RedHat | ghostscript-0:9.07-31.el7_6.3 | * |