{"id":"USN-4398-1","summary":"dbus vulnerability","details":"Kevin Backhouse discovered that DBus incorrectly handled file descriptors.\nA local attacker could possibly use this issue to cause DBus to crash,\nresulting in a denial of service.\n","modified":"2026-04-22T10:05:49.333519Z","published":"2020-06-16T17:05:55Z","related":["UBUNTU-CVE-2020-12049"],"upstream":["CVE-2020-12049","UBUNTU-CVE-2020-12049"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4398-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-12049"}],"affected":[{"package":{"name":"dbus","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/dbus@1.10.6-1ubuntu3.6?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.10.6-1ubuntu3.6"}]}],"versions":["1.10.0-1ubuntu1","1.10.4-1ubuntu2","1.10.6-1ubuntu1","1.10.6-1ubuntu2","1.10.6-1ubuntu3","1.10.6-1ubuntu3.1","1.10.6-1ubuntu3.3","1.10.6-1ubuntu3.4","1.10.6-1ubuntu3.5"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"dbus","binary_version":"1.10.6-1ubuntu3.6"},{"binary_name":"dbus-tests","binary_version":"1.10.6-1ubuntu3.6"},{"binary_version":"1.10.6-1ubuntu3.6","binary_name":"dbus-user-session"},{"binary_name":"dbus-x11","binary_version":"1.10.6-1ubuntu3.6"},{"binary_version":"1.10.6-1ubuntu3.6","binary_name":"libdbus-1-3"}]},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2020-12049","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:16.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4398-1.json"}},{"package":{"name":"dbus","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/dbus@1.12.2-1ubuntu1.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.2-1ubuntu1.2"}]}],"versions":["1.10.22-1ubuntu1","1.12.0-1ubuntu1","1.12.2-1ubuntu1","1.12.2-1ubuntu1.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"dbus","binary_version":"1.12.2-1ubuntu1.2"},{"binary_name":"dbus-tests","binary_version":"1.12.2-1ubuntu1.2"},{"binary_version":"1.12.2-1ubuntu1.2","binary_name":"dbus-user-session"},{"binary_name":"dbus-x11","binary_version":"1.12.2-1ubuntu1.2"},{"binary_name":"libdbus-1-3","binary_version":"1.12.2-1ubuntu1.2"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"id":"CVE-2020-12049","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4398-1.json"}},{"package":{"name":"dbus","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/dbus@1.12.16-2ubuntu2.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.16-2ubuntu2.1"}]}],"versions":["1.12.14-1ubuntu2","1.12.16-2ubuntu1","1.12.16-2ubuntu2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"dbus","binary_version":"1.12.16-2ubuntu2.1"},{"binary_name":"dbus-tests","binary_version":"1.12.16-2ubuntu2.1"},{"binary_version":"1.12.16-2ubuntu2.1","binary_name":"dbus-user-session"},{"binary_name":"dbus-x11","binary_version":"1.12.16-2ubuntu2.1"},{"binary_name":"libdbus-1-3","binary_version":"1.12.16-2ubuntu2.1"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-12049"}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4398-1.json"}}],"schema_version":"1.7.5"}