Vulnerability-Lookup

SUSE-SU-2026:22096-1

Vulnerability from csaf_suse - Published: 2026-06-10 14:52 - Updated: 2026-09-16 19:56

Summary

Security update for xdg-dbus-proxy

Severity

Moderate

Notes

Title of the patch: Security update for xdg-dbus-proxy

Description of the patch: This update for xdg-dbus-proxy fixes the following issue: - CVE-2026-34080: failure in the policy parser can lead to information disclosure (bsc#1261737).

Patchnames: SUSE-SLES-16.0-914

CVE-2026-34080

5.5 (Medium)


                
                  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

Recommended 8 products

Product	Version	Remediation
Unresolved product id: SUSE Linux Enterprise Server 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.x86_64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.aarch64	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.ppc64le	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.s390x	—	Vendor Fix
Unresolved product id: SUSE Linux Enterprise Server for SAP applications 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.x86_64	—	Vendor Fix

Threats

Impact moderate

References

8 references

URL	Category
https://www.suse.com/support/security/rating/	external
https://ftp.suse.com/pub/projects/security/csaf/s…	self
https://www.suse.com/support/update/announcement/…	self
https://lists.suse.com/pipermail/sle-updates/2026…	self
https://bugzilla.suse.com/1261737	self
https://www.suse.com/security/cve/CVE-2026-34080/	self
https://www.suse.com/security/cve/CVE-2026-34080	external
https://bugzilla.suse.com/1261737	external

JSON

To clipboard

{
  "document": {
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      "text": "moderate"
    },
    "category": "csaf_security_advisory",
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    "distribution": {
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        "text": "This update for xdg-dbus-proxy fixes the following issue:\n\n- CVE-2026-34080: failure in the policy parser can lead to information disclosure (bsc#1261737).\n",
        "title": "Description of the patch"
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      },
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      },
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    ],
    "title": "Security update for xdg-dbus-proxy",
    "tracking": {
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          "number": "2",
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                "name": "SUSE Linux Enterprise Server for SAP applications 16.0",
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                  "name": "SUSE Linux Enterprise Server for SAP applications 16.0",
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                  "product_identification_helper": {
                    "cpe": "cpe:/o:suse:sles:16:16.0:server-sap"
                  }
                }
              }
            ],
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        },
        "product_reference": "xdg-dbus-proxy-0.1.6-160000.3.1.aarch64",
        "relates_to_product_reference": "SUSE Linux Enterprise Server 16.0"
      },
      {
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        },
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        },
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      },
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        "relates_to_product_reference": "SUSE Linux Enterprise Server 16.0"
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        },
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        },
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        },
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        "relates_to_product_reference": "SUSE Linux Enterprise Server for SAP applications 16.0"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-34080",
      "ids": [
        {
          "system_name": "SUSE CVE Page",
          "text": "https://www.suse.com/security/cve/CVE-2026-34080"
        }
      ],
      "notes": [
        {
          "category": "general",
          "text": "xdg-dbus-proxy is a filtering proxy for D-Bus connections. Prior to 0.1.7, a policy parser vulnerability allows bypassing eavesdrop restrictions. The proxy checks for eavesdrop=true in policy rules but fails to handle eavesdrop =\u0027true\u0027 (with a space before the equals sign) and similar cases. Clients can intercept D-Bus messages they should not have access to. This vulnerability is fixed in 0.1.7.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Server 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.aarch64",
          "SUSE Linux Enterprise Server 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.ppc64le",
          "SUSE Linux Enterprise Server 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.s390x",
          "SUSE Linux Enterprise Server 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.x86_64",
          "SUSE Linux Enterprise Server for SAP applications 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.aarch64",
          "SUSE Linux Enterprise Server for SAP applications 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.ppc64le",
          "SUSE Linux Enterprise Server for SAP applications 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.s390x",
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        ]
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          "summary": "CVE-2026-34080",
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        },
        {
          "category": "external",
          "summary": "SUSE Bug 1261737 for CVE-2026-34080",
          "url": "https://bugzilla.suse.com/1261737"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
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            "SUSE Linux Enterprise Server 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.ppc64le",
            "SUSE Linux Enterprise Server 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.s390x",
            "SUSE Linux Enterprise Server 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.x86_64",
            "SUSE Linux Enterprise Server for SAP applications 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.aarch64",
            "SUSE Linux Enterprise Server for SAP applications 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.ppc64le",
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      "scores": [
        {
          "cvss_v3": {
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            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
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            "SUSE Linux Enterprise Server 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.ppc64le",
            "SUSE Linux Enterprise Server 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.s390x",
            "SUSE Linux Enterprise Server 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.x86_64",
            "SUSE Linux Enterprise Server for SAP applications 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.aarch64",
            "SUSE Linux Enterprise Server for SAP applications 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.ppc64le",
            "SUSE Linux Enterprise Server for SAP applications 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.s390x",
            "SUSE Linux Enterprise Server for SAP applications 16.0:xdg-dbus-proxy-0.1.6-160000.3.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2026-06-10T14:52:26Z",
          "details": "moderate"
        }
      ],
      "title": "CVE-2026-34080"
    }
  ]
}

CVE-2026-34080 (GCVE-0-2026-34080)

Vulnerability from cvelistv5 – Published: 2026-04-07 20:57 – Updated: 2026-04-21 12:21

Title

xdg-dbus-proxy has an eavesdrop filter bypass allowing message interception

Summary

xdg-dbus-proxy is a filtering proxy for D-Bus connections. Prior to 0.1.7, a policy parser vulnerability allows bypassing eavesdrop restrictions. The proxy checks for eavesdrop=true in policy rules but fails to handle eavesdrop ='true' (with a space before the equals sign) and similar cases. Clients can intercept D-Bus messages they should not have access to. This vulnerability is fixed in 0.1.7.

Severity

6.8 (Medium)


                        
                          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

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-04-08 15:40 UTC

CWE

CWE-1289 - Improper Validation of Unsafe Equivalence in Input

Assigner

GitHub_M mitre root

References

3 references

URL	Tags
https://github.com/flatpak/xdg-dbus-proxy/securit…	x_refsource_CONFIRM
http://www.openwall.com/lists/oss-security/2026/0…
https://lists.debian.org/debian-lts-announce/2026…

Impacted products

1 product

Vendor	Product	Version
flatpak	xdg-dbus-proxy	Affected: < 0.1.7

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2026-34080",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-04-08T15:40:24.515938Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-04-08T15:40:38.556Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2026-04-21T12:21:20.635Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "http://www.openwall.com/lists/oss-security/2026/04/10/15"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2026/04/msg00022.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "xdg-dbus-proxy",
          "vendor": "flatpak",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 0.1.7"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "xdg-dbus-proxy is a filtering proxy for D-Bus connections. Prior to 0.1.7, a policy parser vulnerability allows bypassing eavesdrop restrictions. The proxy checks for eavesdrop=true in policy rules but fails to handle eavesdrop =\u0027true\u0027 (with a space before the equals sign) and similar cases. Clients can intercept D-Bus messages they should not have access to. This vulnerability is fixed in 0.1.7."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "NONE",
            "vectorString": "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",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "NONE"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-1289",
              "description": "CWE-1289: Improper Validation of Unsafe Equivalence in Input",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-04-07T20:57:57.931Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/flatpak/xdg-dbus-proxy/security/advisories/GHSA-vjp5-hjfm-7677",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/flatpak/xdg-dbus-proxy/security/advisories/GHSA-vjp5-hjfm-7677"
        }
      ],
      "source": {
        "advisory": "GHSA-vjp5-hjfm-7677",
        "discovery": "UNKNOWN"
      },
      "title": "xdg-dbus-proxy has an eavesdrop filter bypass allowing message interception"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2026-34080",
    "datePublished": "2026-04-07T20:57:57.931Z",
    "dateReserved": "2026-03-25T16:21:40.868Z",
    "dateUpdated": "2026-04-21T12:21:20.635Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

SUSE-SU-2026:22096-1

CVE-2026-34080 (GCVE-0-2026-34080)

Tags

Sightings

Nomenclature

Related by attack behaviour