UBUNTU-CVE-2026-93676

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Source
https://ubuntu.com/security/CVE-2026-93676
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93676.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2026-93676
Upstream
  • CVE-2026-93676
Published
2026-09-21T00:00:00Z
Modified
2026-09-21T21:40:59Z
Severity
  • 3.2 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

xdg-dbus-proxy incorrectly filters D-Bus broadcast messages, bypassing configured path, interface, and member restrictions. This allows a sandboxed Flatpak application to intercept broadcast signals on the D-Bus session bus and AT-SPI bus that should be restricted, potentially exposing sensitive information to unauthorized applications.

References

Affected packages

Ubuntu:Pro:20.04:LTS / xdg-dbus-proxy

Package

Name
xdg-dbus-proxy
Purl
pkg:deb/ubuntu/xdg-dbus-proxy?arch=source&distro=esm-infra%2Ffocal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.1.1-1
0.1.2-1
0.1.2-1ubuntu0.1~esm1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "xdg-dbus-proxy",
            "binary_version":  "0.1.2-1ubuntu0.1~esm1"
        },
        {
            "binary_name":  "xdg-dbus-proxy-tests",
            "binary_version":  "0.1.2-1ubuntu0.1~esm1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93676.json"

Ubuntu:22.04:LTS / xdg-dbus-proxy

Package

Name
xdg-dbus-proxy
Purl
pkg:deb/ubuntu/xdg-dbus-proxy?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.1.2-2build1
0.1.3-1
0.1.3-1ubuntu0.1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "xdg-dbus-proxy",
            "binary_version":  "0.1.3-1ubuntu0.1"
        },
        {
            "binary_name":  "xdg-dbus-proxy-tests",
            "binary_version":  "0.1.3-1ubuntu0.1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93676.json"

Ubuntu:24.04:LTS / xdg-dbus-proxy

Package

Name
xdg-dbus-proxy
Purl
pkg:deb/ubuntu/xdg-dbus-proxy?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.1.5-1
0.1.5-1build1
0.1.5-1build2
0.1.5-1ubuntu0.1
0.1.5-1ubuntu0.2

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "xdg-dbus-proxy",
            "binary_version":  "0.1.5-1ubuntu0.2"
        },
        {
            "binary_name":  "xdg-dbus-proxy-tests",
            "binary_version":  "0.1.5-1ubuntu0.2"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93676.json"

Ubuntu:26.04:LTS / xdg-dbus-proxy

Package

Name
xdg-dbus-proxy
Purl
pkg:deb/ubuntu/xdg-dbus-proxy?arch=source&distro=resolute

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

0.*
0.1.6-1
0.1.6-2
0.1.7-1

Ecosystem specific 

{
    "binaries":  [
        {
            "binary_name":  "xdg-dbus-proxy",
            "binary_version":  "0.1.7-1"
        },
        {
            "binary_name":  "xdg-dbus-proxy-tests",
            "binary_version":  "0.1.7-1"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-93676.json"