Ghostscript before 10.08.0 contains a -dSAFER bypass vulnerability in the .putgstringcopy procedure in gs_fonts.ps, which calls the privileged .forceput operator without checking operand types. Attackers can supply crafted PostScript or PDF documents that trigger a type error, recover .forceput via a custom error handler, and cause a use-after-free across save/restore to execute arbitrary code.
{
"binaries": [
{
"binary_name": "ghostscript",
"binary_version": "9.55.0~dfsg1-0ubuntu5.15"
},
{
"binary_name": "ghostscript-x",
"binary_version": "9.55.0~dfsg1-0ubuntu5.15"
},
{
"binary_name": "libgs9",
"binary_version": "9.55.0~dfsg1-0ubuntu5.15"
},
{
"binary_name": "libgs9-common",
"binary_version": "9.55.0~dfsg1-0ubuntu5.15"
}
]
}{
"binaries": [
{
"binary_name": "ghostscript",
"binary_version": "10.02.1~dfsg1-0ubuntu7.10"
},
{
"binary_name": "libgs-common",
"binary_version": "10.02.1~dfsg1-0ubuntu7.10"
},
{
"binary_name": "libgs10",
"binary_version": "10.02.1~dfsg1-0ubuntu7.10"
},
{
"binary_name": "libgs10-common",
"binary_version": "10.02.1~dfsg1-0ubuntu7.10"
}
]
}{
"binaries": [
{
"binary_name": "ghostscript",
"binary_version": "10.06.0~dfsg-3ubuntu1.2"
},
{
"binary_name": "libgs-common",
"binary_version": "10.06.0~dfsg-3ubuntu1.2"
},
{
"binary_name": "libgs10",
"binary_version": "10.06.0~dfsg-3ubuntu1.2"
},
{
"binary_name": "libgs10-common",
"binary_version": "10.06.0~dfsg-3ubuntu1.2"
}
]
}{
"binaries": [
{
"binary_name": "ghostscript",
"binary_version": "10.07.1~dfsg-1ubuntu2.1"
},
{
"binary_name": "libgs-common",
"binary_version": "10.07.1~dfsg-1ubuntu2.1"
},
{
"binary_name": "libgs10",
"binary_version": "10.07.1~dfsg-1ubuntu2.1"
},
{
"binary_name": "libgs10-common",
"binary_version": "10.07.1~dfsg-1ubuntu2.1"
}
]
}{
"binaries": [
{
"binary_name": "ghostscript",
"binary_version": "9.26~dfsg+0-0ubuntu0.16.04.14+esm11"
},
{
"binary_name": "ghostscript-x",
"binary_version": "9.26~dfsg+0-0ubuntu0.16.04.14+esm11"
},
{
"binary_name": "libgs9",
"binary_version": "9.26~dfsg+0-0ubuntu0.16.04.14+esm11"
},
{
"binary_name": "libgs9-common",
"binary_version": "9.26~dfsg+0-0ubuntu0.16.04.14+esm11"
}
]
}{
"binaries": [
{
"binary_name": "ghostscript",
"binary_version": "9.26~dfsg+0-0ubuntu0.18.04.18+esm6"
},
{
"binary_name": "ghostscript-x",
"binary_version": "9.26~dfsg+0-0ubuntu0.18.04.18+esm6"
},
{
"binary_name": "libgs9",
"binary_version": "9.26~dfsg+0-0ubuntu0.18.04.18+esm6"
},
{
"binary_name": "libgs9-common",
"binary_version": "9.26~dfsg+0-0ubuntu0.18.04.18+esm6"
}
]
}{
"binaries": [
{
"binary_name": "ghostscript",
"binary_version": "9.50~dfsg-5ubuntu4.15+esm3"
},
{
"binary_name": "ghostscript-x",
"binary_version": "9.50~dfsg-5ubuntu4.15+esm3"
},
{
"binary_name": "libgs9",
"binary_version": "9.50~dfsg-5ubuntu4.15+esm3"
},
{
"binary_name": "libgs9-common",
"binary_version": "9.50~dfsg-5ubuntu4.15+esm3"
}
]
}