Home / mailings [SECURITY] [DSA 6433-1] xdg-dbus-proxy security update
Posted on 13 August 2026
Debian Security Advisory- -------------------------------------------------------------------------
Debian Security Advisory DSA-6433-1 security@debian.org
https://www.debian.org/security/ Moritz Muehlenhoff
August 12, 2026 https://www.debian.org/security/faq
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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: debian-security-announce@lists.debian.org
