USN-5614-1 fixed a vulnerability in Wayland. This update provides the corresponding update for Ubuntu 16.04 ESM.
Original advisory details:
It was discovered that Wayland incorrectly handled reference counting certain objects. An attacker could use this issue to cause Wayland to crash, resulting in a denial of service, or possibly execute arbitrary code.
{
"availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
"binaries": [
{
"binary_version": "1.12.0-1~ubuntu16.04.3+esm1",
"binary_name": "libwayland-bin"
},
{
"binary_version": "1.12.0-1~ubuntu16.04.3+esm1",
"binary_name": "libwayland-client0"
},
{
"binary_version": "1.12.0-1~ubuntu16.04.3+esm1",
"binary_name": "libwayland-cursor0"
},
{
"binary_version": "1.12.0-1~ubuntu16.04.3+esm1",
"binary_name": "libwayland-dev"
},
{
"binary_version": "1.12.0-1~ubuntu16.04.3+esm1",
"binary_name": "libwayland-server0"
}
]
}
{
"ecosystem": "Ubuntu:Pro:16.04:LTS",
"cves": [
{
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"id": "CVE-2021-3782"
}
]
}