Detections
Analytics

Debian dsa-6433 : xdg-dbus-proxy - security update

high Nessus Plugin ID 335007

Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6433 advisory.

 - ------------------------------------------------------------------------- Debian Security Advisory DSA-6433-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff August 12, 2026 https://www.debian.org/security/faq
 - -------------------------------------------------------------------------

 Package : xdg-dbus-proxy CVE ID : not yet available

 It was discovered that incorrect validation of broadcast policy rules in xdg-dbus-proxy (a filtering proxy for D-Bus connections) allowed a malicious Flatpak application to monitor signals on the D-Bus session bus.

 For the stable distribution (trixie), this problem has been fixed in version 0.1.6-1+deb13u2.

 We recommend that you upgrade your xdg-dbus-proxy packages.

 For the detailed security status of xdg-dbus-proxy please refer to its security tracker page at:
 https://security-tracker.debian.org/tracker/xdg-dbus-proxy

 Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

 Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade the xdg-dbus-proxy packages.

See Also

https://packages.debian.org/source/trixie/xdg-dbus-proxy

http://www.nessus.org/u?b1ce1ba6

Plugin Details

Severity: High

ID: 335007

File Name: debian_DSA-6433.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/13/2026

Updated: 8/13/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Vulnerability Information

CPE: cpe:/o:debian:debian_linux:13.0, p-cpe:/a:debian:debian_linux:xdg-dbus-proxy-tests, p-cpe:/a:debian:debian_linux:xdg-dbus-proxy

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 8/12/2026

Vulnerability Publication Date: 8/12/2026