OESA-2026-4640

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Source

https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2026-4640

Import Source

https://repo.openeuler.org/security/data/osv/OESA-2026-4640.json

JSON Data

https://api.osv.dev/v1/vulns/OESA-2026-4640

Upstream

CVE-2026-94422

Published

2026-10-29T09:03:55Z

Modified

2026-10-29T09:15:41Z

Severity

8.8 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator

Summary

xdg-dbus-proxy security update

Details

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):

An incorrect implementation of message filtering in xdg-dbus-proxy versions before 0.1.9 allows an attacker to bypass the intended message filtering on the D-Bus session bus by setting a reply serial number on non-reply messages. A malicious or compromised Flatpak app could use this to achieve arbitrary code execution outside its sandbox. xdg-dbus-proxy was designed to be part of the sandbox boundary for Flatpak, but it is released as a separate project and is sometimes used by other app frameworks such as Firejail.(CVE-2026-94422)

Database specific

{
    "severity":  "High"
}

References

Affected packages

openEuler:22.03-LTS-SP4 / xdg-dbus-proxy

Package

Name: xdg-dbus-proxy
Purl: pkg:rpm/openEuler/xdg-dbus-proxy&distro=openEuler-22.03-LTS-SP4

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0 Unknown introduced version / All previous versions are affected

Fixed

0.1.2-3.oe2203sp4

Ecosystem specific

{
    "aarch64":  [
        "xdg-dbus-proxy-0.1.2-3.oe2203sp4.aarch64.rpm",
        "xdg-dbus-proxy-debuginfo-0.1.2-3.oe2203sp4.aarch64.rpm",
        "xdg-dbus-proxy-debugsource-0.1.2-3.oe2203sp4.aarch64.rpm"
    ],
    "noarch":  [
        "xdg-dbus-proxy-help-0.1.2-3.oe2203sp4.noarch.rpm"
    ],
    "src":  [
        "xdg-dbus-proxy-0.1.2-3.oe2203sp4.src.rpm"
    ],
    "x86_64":  [
        "xdg-dbus-proxy-0.1.2-3.oe2203sp4.x86_64.rpm",
        "xdg-dbus-proxy-debuginfo-0.1.2-3.oe2203sp4.x86_64.rpm",
        "xdg-dbus-proxy-debugsource-0.1.2-3.oe2203sp4.x86_64.rpm"
    ]
}

Database specific

source

"https://repo.openeuler.org/security/data/osv/OESA-2026-4640.json"