It was found that the forceput operator could be extracted from the DefineResource method in ghostscript before 9.27. A specially crafted PostScript file could use this flaw in order to, for example, have access to the file system outside of the constrains imposed by -dSAFER.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Ghostscript | Artifex | * | 9.27 (excluding) |
| Red Hat Enterprise Linux 7 | RedHat | ghostscript-0:9.07-31.el7_6.10 | * |
| Red Hat Enterprise Linux 8 | RedHat | ghostscript-0:9.25-2.el8_0.1 | * |
| Ghostscript | Ubuntu | bionic | * |
| Ghostscript | Ubuntu | cosmic | * |
| Ghostscript | Ubuntu | devel | * |
| Ghostscript | Ubuntu | trusty | * |
| Ghostscript | Ubuntu | xenial | * |