It was discovered that gnome-desktop incorrectly confined thumbnailers. If a user were tricked into downloading a malicious image file, a remote attacker could possibly combine this issue with another vulnerability to escape the sandbox and execute arbitrary code.
{
"binaries": [
{
"binary_name": "gir1.2-gnomedesktop-3.0",
"binary_version": "3.28.2-0ubuntu1.3"
},
{
"binary_name": "gnome-desktop3-data",
"binary_version": "3.28.2-0ubuntu1.3"
},
{
"binary_name": "libgnome-desktop-3-17",
"binary_version": "3.28.2-0ubuntu1.3"
},
{
"binary_name": "libgnome-desktop-3-dev",
"binary_version": "3.28.2-0ubuntu1.3"
}
],
"availability": "No subscription required"
}
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-3994-1.json"
{
"cves": [
{
"id": "CVE-2019-11460",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
]
}
],
"ecosystem": "Ubuntu:18.04:LTS"
}