Ubuntu Security Notices USN-8167-1 USN-8167-1: xdg-dbus-proxy vulnerability Publication date 13 April 2026 Overview xdg-dbus-proxy could be made to expose sensitive information. Releases 25.10 24.04 LTS 22.04 LTS Open side navigation Close side navigation Packages Details Update instructions References 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. 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. Learn more about how to get the fixes. The problem can be corrected by updating your system to the following package versions: Ubuntu Release Package Version 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 Reduce your security exposure Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines. Get Ubuntu Pro References CVE-2026-34080 CVE-2026-34080