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.
{ "availability": "No subscription required", "binaries": [ { "binary_name": "ghostscript", "binary_version": "9.26~dfsg+0-0ubuntu0.14.04.8" }, { "binary_name": "ghostscript-dbg", "binary_version": "9.26~dfsg+0-0ubuntu0.14.04.8" }, { "binary_name": "ghostscript-dbgsym", "binary_version": "9.26~dfsg+0-0ubuntu0.14.04.8" }, { "binary_name": "ghostscript-doc", "binary_version": "9.26~dfsg+0-0ubuntu0.14.04.8" }, { "binary_name": "ghostscript-x", "binary_version": "9.26~dfsg+0-0ubuntu0.14.04.8" }, { "binary_name": "ghostscript-x-dbgsym", "binary_version": "9.26~dfsg+0-0ubuntu0.14.04.8" }, { "binary_name": "libgs-dev", "binary_version": "9.26~dfsg+0-0ubuntu0.14.04.8" }, { "binary_name": "libgs-dev-dbgsym", "binary_version": "9.26~dfsg+0-0ubuntu0.14.04.8" }, { "binary_name": "libgs9", "binary_version": "9.26~dfsg+0-0ubuntu0.14.04.8" }, { "binary_name": "libgs9-common", "binary_version": "9.26~dfsg+0-0ubuntu0.14.04.8" }, { "binary_name": "libgs9-dbgsym", "binary_version": "9.26~dfsg+0-0ubuntu0.14.04.8" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "ghostscript", "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.8" }, { "binary_name": "ghostscript-dbg", "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.8" }, { "binary_name": "ghostscript-dbgsym", "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.8" }, { "binary_name": "ghostscript-doc", "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.8" }, { "binary_name": "ghostscript-x", "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.8" }, { "binary_name": "ghostscript-x-dbgsym", "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.8" }, { "binary_name": "libgs-dev", "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.8" }, { "binary_name": "libgs-dev-dbgsym", "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.8" }, { "binary_name": "libgs9", "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.8" }, { "binary_name": "libgs9-common", "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.8" }, { "binary_name": "libgs9-dbgsym", "binary_version": "9.26~dfsg+0-0ubuntu0.16.04.8" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "ghostscript", "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.8" }, { "binary_name": "ghostscript-dbg", "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.8" }, { "binary_name": "ghostscript-doc", "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.8" }, { "binary_name": "ghostscript-x", "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.8" }, { "binary_name": "libgs-dev", "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.8" }, { "binary_name": "libgs9", "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.8" }, { "binary_name": "libgs9-common", "binary_version": "9.26~dfsg+0-0ubuntu0.18.04.8" } ] }