RHSA-2026:98635: Important: xdg-dbus-proxy security update
xdg-dbus-proxy is a filtering proxy for D-Bus connections. It was originally part of the flatpak project, but it has been broken out as a standalone module to facilitate using it in other contexts.Security Fix(es): xdg-dbus-proxy: xdg-dbus-proxy: message filtering bypass via reply serial allows sandbox escape (CVE-2026-94422) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/xdg-dbus-proxyto a version that resolves this vulnerability.Fixed in 0.1.5-4.el10_3.1 - Upgrade
Upgrade
redhat/xdg-dbus-proxy-debuginfoto a version that resolves this vulnerability.Fixed in 0.1.5-4.el10_3.1 - Upgrade
Upgrade
redhat/xdg-dbus-proxy-debugsourceto a version that resolves this vulnerability.Fixed in 0.1.5-4.el10_3.1 - Upgrade
Upgrade
redhat/xdg-dbus-proxyto a version that resolves this vulnerability.Fixed in 0.1.5-4.el10_3.1.aa - Upgrade
Upgrade
redhat/xdg-dbus-proxy-debuginfoto a version that resolves this vulnerability.Fixed in 0.1.5-4.el10_3.1.aa - Upgrade
Upgrade
redhat/xdg-dbus-proxy-debugsourceto a version that resolves this vulnerability.Fixed in 0.1.5-4.el10_3.1.aa
Event History
Frequently Asked Questions
What is the security impact of this issue?
The message-filtering bypass can allow a sandbox escape through xdg-dbus-proxy.
Which Red Hat software packages are covered by this update?
The update covers redhat/xdg-dbus-proxy, redhat/xdg-dbus-proxy-debuginfo, and redhat/xdg-dbus-proxy-debugsource.