[Ftp-release] Announcing dbus 1.12.28 (security update)

Simon McVittie smcv at collabora.com
Tue Jun 6 17:03:19 UTC 2023

dbus is the reference implementation of D-Bus, a message bus for
communication between applications and system services.

The dbus 1.12.x branch was originally released in 2017, and is maintained
for the benefit of long-term-support OS distributions such as Debian.
It is planned to reach end-of-life status at the end of Debian 11
mainstream security support, in mid 2024. After it reaches end-of-life
there will be no more 1.12.x releases, even if new security issues
are discovered.

git tag: dbus-1.12.28

Denial-of-service fixes:

• Fix an assertion failure in dbus-daemon when a privileged Monitoring
  connection (dbus-monitor, busctl monitor, gdbus monitor or similar)
  is active, and a message from the bus driver cannot be delivered to a
  client connection due to <deny> rules or outgoing message quota. This
  is a denial of service if triggered maliciously by a local attacker.
  (dbus#457; hongjinghao, Simon McVittie)

Other fixes:

• Documentation:
  · Fix syntax of a code sample in dbus-api-design
    (dbus!396; Yen-Chin, Lee)

Tests and CI enhancements:

• Fix CI pipelines after freedesktop/freedesktop#540
  (dbus!405, dbus#456; Simon McVittie)

Simon McVittie, Collabora Ltd. / Debian
on behalf of the dbus maintainers

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