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": "No subscription required",
"binaries": [
{
"binary_name": "libwayland-bin",
"binary_version": "1.16.0-1ubuntu1.1~18.04.4"
},
{
"binary_name": "libwayland-client0",
"binary_version": "1.16.0-1ubuntu1.1~18.04.4"
},
{
"binary_name": "libwayland-cursor0",
"binary_version": "1.16.0-1ubuntu1.1~18.04.4"
},
{
"binary_name": "libwayland-dev",
"binary_version": "1.16.0-1ubuntu1.1~18.04.4"
},
{
"binary_name": "libwayland-egl-backend-dev",
"binary_version": "1.16.0-1ubuntu1.1~18.04.4"
},
{
"binary_name": "libwayland-egl1",
"binary_version": "1.16.0-1ubuntu1.1~18.04.4"
},
{
"binary_name": "libwayland-server0",
"binary_version": "1.16.0-1ubuntu1.1~18.04.4"
}
]
}
{
"ecosystem": "Ubuntu:18.04:LTS",
"cves": [
{
"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"
}
],
"id": "CVE-2021-3782"
}
]
}
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libwayland-bin",
"binary_version": "1.18.0-1ubuntu0.1"
},
{
"binary_name": "libwayland-client0",
"binary_version": "1.18.0-1ubuntu0.1"
},
{
"binary_name": "libwayland-cursor0",
"binary_version": "1.18.0-1ubuntu0.1"
},
{
"binary_name": "libwayland-dev",
"binary_version": "1.18.0-1ubuntu0.1"
},
{
"binary_name": "libwayland-egl-backend-dev",
"binary_version": "1.18.0-1ubuntu0.1"
},
{
"binary_name": "libwayland-egl1",
"binary_version": "1.18.0-1ubuntu0.1"
},
{
"binary_name": "libwayland-server0",
"binary_version": "1.18.0-1ubuntu0.1"
}
]
}
{
"ecosystem": "Ubuntu:20.04:LTS",
"cves": [
{
"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"
}
],
"id": "CVE-2021-3782"
}
]
}
{
"availability": "No subscription required",
"binaries": [
{
"binary_name": "libwayland-bin",
"binary_version": "1.20.0-1ubuntu0.1"
},
{
"binary_name": "libwayland-client0",
"binary_version": "1.20.0-1ubuntu0.1"
},
{
"binary_name": "libwayland-cursor0",
"binary_version": "1.20.0-1ubuntu0.1"
},
{
"binary_name": "libwayland-dev",
"binary_version": "1.20.0-1ubuntu0.1"
},
{
"binary_name": "libwayland-egl-backend-dev",
"binary_version": "1.20.0-1ubuntu0.1"
},
{
"binary_name": "libwayland-egl1",
"binary_version": "1.20.0-1ubuntu0.1"
},
{
"binary_name": "libwayland-server0",
"binary_version": "1.20.0-1ubuntu0.1"
}
]
}
{
"ecosystem": "Ubuntu:22.04:LTS",
"cves": [
{
"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"
}
],
"id": "CVE-2021-3782"
}
]
}