gdm3 3.14.2 and possibly later has an information leak before screen lock
{
"binaries": [
{
"binary_name": "gdm",
"binary_version": "3.18.3-0ubuntu2.2"
},
{
"binary_name": "gdm3",
"binary_version": "3.18.3-0ubuntu2.2"
},
{
"binary_name": "gir1.2-gdm-1.0",
"binary_version": "3.18.3-0ubuntu2.2"
},
{
"binary_name": "libgdm1",
"binary_version": "3.18.3-0ubuntu2.2"
}
]
}