D-Bus is a system for sending messages between applications. It is used both for the system-wide message bus service, and as a per-user-login-session messaging facility. Security Fix: * dbus: dbus-daemon crashes when receiving message with incorrectly nested parentheses and curly brackets * dbus: dbus-daemon can be crashed by messages with array length inconsistent with element type * dbus: `_dbus_marshal_byteswap` doesn"t process fds in messages with "foreign" endianness correctly For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.