UnratedRed Hat & Ubuntu Linux

xdg-dbus-proxy vulnerability

USN-8167-2 Published May 26, 2026

CVE-2026-34080

Affected products & platforms

Red Hat & Ubuntu LinuxUnclassified

Summary

USN-8167-1 fixed a vulnerability in xdg-dbus-proxy. This update provides the corresponding update for Ubuntu 20.04 LTS. Original advisory 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. Affected Ubuntu releases: 20.04. CVEs: CVE-2026-34080.

Affected versions

Ubuntu 20.04

Official advisory · medium-confidence parse· fetched 3 hours ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Apply available updates: `sudo apt update && sudo apt upgrade` (a standard system update installs the fix).

Official advisory · medium-confidence parse· fetched 3 hours ago·verify at source

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