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xdg-dbus-proxy: Fix of CVE-2026-34080

Type: advisorySources: OSV

- Improve detection of eavesdrop=true in the D-Bus match-rule filter to address the following vulnerability: - CVE-2026-34080: the eavesdrop= match was located with a fixed-string search, so whitespace between 'eavesdrop' and '=' was not recognised and a client could install an eavesdropping match rule that the proxy was supposed to reject

Products
xdg-dbus-proxy
Affected versions
Not specified
Fixed versions
0.1.3-1.el9.tuxcare.els1
CVEs
CVE-2026-34080
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 10:45 UTC · Revision 1

Source evidence

xdg-dbus-proxy: Fix of CVE-2026-34080

core-osv · Original source

Published 11 Sept 2026, 13:23 UTC

- Improve detection of eavesdrop=true in the D-Bus match-rule filter to address the following vulnerability: - CVE-2026-34080: the eavesdrop= match was located with a fixed-string search, so whitespace between 'eavesdrop' and '=' was not recognised and a client could install an eavesdropping match rule that the proxy was supposed to reject

osv:CLSA-2026-1789132992

xdg-dbus-proxy

Fixed versions: 0.1.3-1.el9.tuxcare.els1

Complete source record
{
  "id": "e99642501ce8aaa0a615b4338cdfbf68e6642c07296396b9ca04392543cc650c",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1789132992",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "xdg-dbus-proxy: Fix of CVE-2026-34080",
    "summary": "- Improve detection of eavesdrop=true in the D-Bus match-rule filter to address the following vulnerability: - CVE-2026-34080: the eavesdrop= match was located with a fixed-string search, so whitespace between 'eavesdrop' and '=' was not recognised and a client could install an eavesdropping match rule that the proxy was supposed to reject",
    "evidence": "osv:CLSA-2026-1789132992",
    "products": [
      {
        "name": {
          "value": "xdg-dbus-proxy",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "0.1.3-1.el9.tuxcare.els1",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1789132992",
      "aliases": [
        "CLSA-2026-1789132992"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0.1.3-1.el9.tuxcare.els1"
                }
              ]
            }
          ],
          "package": {
            "name": "xdg-dbus-proxy",
            "purl": "pkg:rpm/tuxcare/xdg-dbus-proxy?distro=almalinux-9.2",
            "ecosystem": "TuxCare:AlmaLinux:9.2"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.2esu/CLSA-2026-1789132992.json"
          }
        }
      ],
      "modified": "2026-10-26T09:30:45.349216141Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-34080"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2026-1789132992.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-34080"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-34080",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 447222,
  "published_at": "2026-09-11T13:23:24+00:00"
}