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Update

USN-8167-1: xdg-dbus-proxy vulnerability

Ubuntu ServerUbuntu Server
Canonical

USN-8167-1: xdg-dbus-proxy vulnerability

Publication date: 13 April 2026
Overview: xdg-dbus-proxy could be made to expose sensitive information.

Packages
xdg-dbus-proxy - A filtering proxy for D-Bus connections

Details
It was discovered that xdg-dbus-proxy incorrectly handled eavesdropping
in policy rules. A local attacker could possibly use this issue to
intercept certain D-Bus messages.

Update instructions
After a standard system update you need to restart your session to make all the necessary changes.

The problem can be corrected by updating your system to the following package versions:

  • 25.10 questing xdg-dbus-proxy – 0.1.6-1ubuntu0.1
  • 24.04 LTS noble xdg-dbus-proxy – 0.1.5-1ubuntu0.2
  • 22.04 LTS jammy xdg-dbus-proxy – 0.1.3-1ubuntu0.1
More updatesTo the product
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Receive Important Update Messages Stay tuned for upcoming Canonical updates

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