In Artifex Ghostscript through 9.25, the setpattern operator did not properly validate certain types. A specially crafted PostScript document could exploit this to crash Ghostscript or, possibly, execute arbitrary code in the context of the Ghostscript process. This is a type confusion issue because of failure to check whether the Implementation of a pattern dictionary was a structure type.
{
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"binary_version": "9.26~dfsg+0-0ubuntu0.14.04.1"
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{
"binary_name": "ghostscript-x",
"binary_version": "9.26~dfsg+0-0ubuntu0.14.04.1"
},
{
"binary_name": "libgs-dev",
"binary_version": "9.26~dfsg+0-0ubuntu0.14.04.1"
},
{
"binary_name": "libgs9",
"binary_version": "9.26~dfsg+0-0ubuntu0.14.04.1"
},
{
"binary_name": "libgs9-common",
"binary_version": "9.26~dfsg+0-0ubuntu0.14.04.1"
}
],
"availability": "No subscription required"
}
{
"binaries": [
{
"binary_name": "ghostscript",
"binary_version": "9.26~dfsg+0-0ubuntu0.16.04.1"
},
{
"binary_name": "ghostscript-x",
"binary_version": "9.26~dfsg+0-0ubuntu0.16.04.1"
},
{
"binary_name": "libgs-dev",
"binary_version": "9.26~dfsg+0-0ubuntu0.16.04.1"
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{
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"binary_version": "9.26~dfsg+0-0ubuntu0.16.04.1"
},
{
"binary_name": "libgs9-common",
"binary_version": "9.26~dfsg+0-0ubuntu0.16.04.1"
}
],
"availability": "No subscription required"
}
{
"binaries": [
{
"binary_name": "ghostscript",
"binary_version": "9.26~dfsg+0-0ubuntu0.18.04.1"
},
{
"binary_name": "ghostscript-x",
"binary_version": "9.26~dfsg+0-0ubuntu0.18.04.1"
},
{
"binary_name": "libgs-dev",
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},
{
"binary_name": "libgs9",
"binary_version": "9.26~dfsg+0-0ubuntu0.18.04.1"
},
{
"binary_name": "libgs9-common",
"binary_version": "9.26~dfsg+0-0ubuntu0.18.04.1"
}
],
"availability": "No subscription required"
}