Security advisory

{
  "id": "79531aabe229c1f11669ef2560b2a0bf142e289f72a52dbe3d1c3bcfc4d60b2e",
  "url": "https://osv.dev/vulnerability/CVE-2024-34446",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2024-34446",
    "summary": "Mullvad VPN through 2024.1 on Android does not set a DNS server in the blocking state (after a hard failure to create a tunnel), and thus DNS traffic can leave the device. Data showing that the affected device was the origin of sensitive DNS requests may be observed and logged by operators of unintended DNS servers.",
    "evidence": "osv:CVE-2024-34446",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2024-34446",
      "aliases": [
        "CVE-2024-34446"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mullvad/mullvadvpn-app",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "0c39306a40f426853d617e20d596942e41091f13"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "2024.1"
                      }
                    ],
                    "source": "DESCRIPTION"
                  },
                  {
                    "range": [
                      {
                        "fixed": "0c39306a40f426853d617e20d596942e41091f13"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-34446.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:47.209752272Z",
      "provider": "osv",
      "references": [
        "https://github.com/mullvad/mullvadvpn-app/blob/main/CHANGELOG.md",
        "https://github.com/mullvad/mullvadvpn-app/tags",
        "https://news.ycombinator.com/item?id=40247604",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34446.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-34446",
        "https://github.com/mullvad/mullvadvpn-app/commit/0c39306a40f426853d617e20d596942e41091f13",
        "https://mullvad.net/en/blog/dns-traffic-can-leak-outside-the-vpn-tunnel-on-android"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/34xxx/CVE-2024-34446.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-34446",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 515082,
  "published_at": "2024-05-03T00:00:00+00:00"
}