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.
{ "binaries": [ { "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", "binary_version": "1.12.0-1~ubuntu16.04.3+esm1" } ], "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro" }
{ "ecosystem": "Ubuntu:Pro:16.04:LTS", "cves": [ { "id": "CVE-2021-3782", "severity": [ { "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": "CVSS_V3" }, { "score": "medium", "type": "Ubuntu" } ] } ] }