USN-8167-1

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Source
https://ubuntu.com/security/notices/USN-8167-1
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8167-1.json
JSON Data
https://api.osv.dev/v1/vulns/USN-8167-1
Upstream
Related
Published
2026-04-13T12:07:10Z
Modified
2026-04-27T18:47:52.269253Z
Summary
xdg-dbus-proxy vulnerability
Details

It was discovered that xdg-dbus-proxy incorrectly handled eavesdropping in policy rules. A local attacker could possibly use this issue to intercept certain D-Bus messages.

References

Affected packages

Ubuntu:22.04:LTS / xdg-dbus-proxy

Package

Name
xdg-dbus-proxy
Purl
pkg:deb/ubuntu/xdg-dbus-proxy@0.1.3-1ubuntu0.1?arch=source&distro=jammy

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.1.3-1ubuntu0.1

Affected versions

0.*
0.1.2-2build1
0.1.3-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "0.1.3-1ubuntu0.1",
            "binary_name": "xdg-dbus-proxy"
        },
        {
            "binary_version": "0.1.3-1ubuntu0.1",
            "binary_name": "xdg-dbus-proxy-tests"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8167-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:22.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-34080",
            "severity": [
                {
                    "type": "CVSS_V4",
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:24.04:LTS / xdg-dbus-proxy

Package

Name
xdg-dbus-proxy
Purl
pkg:deb/ubuntu/xdg-dbus-proxy@0.1.5-1ubuntu0.2?arch=source&distro=noble

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.1.5-1ubuntu0.2

Affected versions

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

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "0.1.5-1ubuntu0.2",
            "binary_name": "xdg-dbus-proxy"
        },
        {
            "binary_version": "0.1.5-1ubuntu0.2",
            "binary_name": "xdg-dbus-proxy-tests"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8167-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:24.04:LTS",
    "cves": [
        {
            "id": "CVE-2026-34080",
            "severity": [
                {
                    "type": "CVSS_V4",
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}

Ubuntu:25.10 / xdg-dbus-proxy

Package

Name
xdg-dbus-proxy
Purl
pkg:deb/ubuntu/xdg-dbus-proxy@0.1.6-1ubuntu0.1?arch=source&distro=questing

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.1.6-1ubuntu0.1

Affected versions

0.*
0.1.6-1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "0.1.6-1ubuntu0.1",
            "binary_name": "xdg-dbus-proxy"
        },
        {
            "binary_version": "0.1.6-1ubuntu0.1",
            "binary_name": "xdg-dbus-proxy-tests"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8167-1.json"
cves_map 
{
    "ecosystem": "Ubuntu:25.10",
    "cves": [
        {
            "id": "CVE-2026-34080",
            "severity": [
                {
                    "type": "CVSS_V4",
                    "score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
                },
                {
                    "type": "CVSS_V3",
                    "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"
                },
                {
                    "type": "Ubuntu",
                    "score": "medium"
                }
            ]
        }
    ]
}