{"id":"USN-5244-2","summary":"dbus vulnerability","details":"USN-5244-1 fixed a vulnerability in DBus. This update provides\nthe corresponding update for Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.\n\nOriginal advisory details:\n\n Daniel Onaca discovered that DBus contained a use-after-free vulnerability,\n caused by the incorrect handling of usernames sharing the same UID. An\n attacker could possibly use this issue to cause DBus to crash, resulting\n in a denial of service.\n","modified":"2026-04-27T15:28:04.117782Z","published":"2022-05-09T05:55:53Z","related":["UBUNTU-CVE-2020-35512"],"upstream":["CVE-2020-35512","UBUNTU-CVE-2020-35512"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-5244-2"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-35512"}],"affected":[{"package":{"name":"dbus","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/dbus@1.12.2-1ubuntu1.3?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.2-1ubuntu1.3"}]}],"versions":["1.10.22-1ubuntu1","1.12.0-1ubuntu1","1.12.2-1ubuntu1","1.12.2-1ubuntu1.1","1.12.2-1ubuntu1.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"dbus","binary_version":"1.12.2-1ubuntu1.3"},{"binary_name":"dbus-tests","binary_version":"1.12.2-1ubuntu1.3"},{"binary_name":"dbus-user-session","binary_version":"1.12.2-1ubuntu1.3"},{"binary_name":"dbus-x11","binary_version":"1.12.2-1ubuntu1.3"},{"binary_version":"1.12.2-1ubuntu1.3","binary_name":"libdbus-1-3"}]},"database_specific":{"cves_map":{"cves":[{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}],"id":"CVE-2020-35512"}],"ecosystem":"Ubuntu:18.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5244-2.json"}},{"package":{"name":"dbus","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/dbus@1.12.16-2ubuntu2.2?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.12.16-2ubuntu2.2"}]}],"versions":["1.12.14-1ubuntu2","1.12.16-2ubuntu1","1.12.16-2ubuntu2","1.12.16-2ubuntu2.1"],"ecosystem_specific":{"binaries":[{"binary_name":"dbus","binary_version":"1.12.16-2ubuntu2.2"},{"binary_name":"dbus-tests","binary_version":"1.12.16-2ubuntu2.2"},{"binary_name":"dbus-user-session","binary_version":"1.12.16-2ubuntu2.2"},{"binary_name":"dbus-x11","binary_version":"1.12.16-2ubuntu2.2"},{"binary_version":"1.12.16-2ubuntu2.2","binary_name":"libdbus-1-3"}],"availability":"No subscription required"},"database_specific":{"cves_map":{"cves":[{"id":"CVE-2020-35512","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","type":"CVSS_V3"},{"score":"low","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:20.04:LTS"},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-5244-2.json"}}],"schema_version":"1.7.5"}