CVE-2011-2200: D-Bus Project D-Bus

Medium severity, CVSS 4.6. EPSS: 0.4% chance of exploitation in the next 30 days.

The _dbus_header_byteswap function in dbus-marshal-header.c in D-Bus (aka DBus) 1.2.x before 1.2.28, 1.4.x before 1.4.12, and 1.5.x before 1.5.4 does not properly handle a non-native byte order, which allows local users to cause a denial of service (connection loss), obtain potentially sensitive information, or conduct unspecified state-modification attacks via crafted messages.

Affected products

• D-Bus Project D-Bus: version 1.2.4.2 only; version 1.2.4.4 only; version 1.2.4.6 only
• Freedesktop Dbus: version 1.5.0 only; version 1.5.2 only; version 1.4.0 only; version 1.4.1 only; version 1.4.4 only; version 1.4.6 only; …

Published 2011-06-22. Last modified 2026-06-16.