Security advisory

{
  "id": "767634167f327e386220d90850906304f0e8a51b6f725bb93451971fe1bf659c",
  "url": "https://osv.dev/vulnerability/CVE-2020-12404",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-12404",
    "summary": "For native-to-JS bridging the app requires a unique token to be passed that ensures non-app code can't call the bridging functions. That token could leak when used for downloading files. This vulnerability affects Firefox for iOS < 26.",
    "evidence": "osv:CVE-2020-12404",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-12404",
      "aliases": [
        "CVE-2020-12404"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mozilla-mobile/firefox-ios",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "f4c4dd3df015e8faf28435fb6508860e92db81dd"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:iphone_os:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "26.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "20.1",
            "AuroraV15",
            "AuroraV14",
            "AuroraV13",
            "AuroraV11",
            "AuroraV10",
            "AuroraV8",
            "AuroraV7",
            "AuroraV6",
            "AuroraV2",
            "AuroraV1",
            "AuroraV3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12404.json"
          }
        }
      ],
      "modified": "2026-10-24T10:31:02.989056537Z",
      "provider": "osv",
      "references": [
        "https://www.mozilla.org/security/advisories/mfsa2020-19/",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=1631739"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-12404",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 440144,
  "published_at": "2020-07-09T15:15:10.88+00:00"
}