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The dbus-daemon in D-Bus 1.2.x through 1.4.x, 1.6.x before 1.6.20, and 1.8.x before 1.8.4, sends an AccessDenied error to the service instead of a client when the client is prohibited from accessing the service, which allows local users to cause a denial of service (initialization failure and exit) or possibly conduct a side-channel attack via a D-Bus message to an inactive service.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade dbus | Jul 30, 2024 | Jul 1, 2014 |
| Freebsd | — | Upgrade dbus | Dec 10, 2025 | Jun 14, 2014 |
| Gentoo Linux | — | Upgrade sys-apps/dbus. | Oct 30, 2017 | Jul 1, 2014 |
| Huawei Euleros 2_0_sp1 | — | Upgrade dbusUpgrade dbus-develUpgrade dbus-libsUpgrade dbus-x11 | Nov 30, 2017 | Jul 1, 2014 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jun 10, 2014 |
| Suse | — | Upgrade dbus-1-devel-docUpgrade dbus-1-develUpgrade libdbus-1-3-32bitUpgrade libdbus-1-3Upgrade dbus-1Upgrade dbus-1-x86Upgrade dbus-1-x11Upgrade dbus-1-32bit | Dec 18, 2015 | Jun 25, 2014 |
| Ubuntu | — | Upgrade libdbus-1-3Upgrade dbus | Nov 8, 2024 | Jul 1, 2014 |
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