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Critical

Security advisory

Type: advisorySources: OSVCVE: CVE-2023-29534

Different techniques existed to obscure the fullscreen notification in Firefox and Focus for Android. These could have led to potential user confusion and spoofing attacks. *This bug only affects Firefox and Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox for Android < 112 and Focus for Android < 112.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-29534
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 19:28 UTC · Revision 1

Source evidence

CVE-2023-29534

core-osv · Original source

Published 19 Jun 2023, 10:11 UTC

Different techniques existed to obscure the fullscreen notification in Firefox and Focus for Android. These could have led to potential user confusion and spoofing attacks. *This bug only affects Firefox and Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox for Android < 112 and Focus for Android < 112.

osv:CVE-2023-29534
Complete source record
{
  "id": "3074f9f0aa4aee8a8504f580425d9a1619448aa38ac6613db2820ed21cb0c7d1",
  "url": "https://osv.dev/vulnerability/CVE-2023-29534",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-29534",
    "summary": "Different techniques existed to obscure the fullscreen notification in Firefox and Focus for Android. These could have led to potential user confusion and spoofing attacks. *This bug only affects Firefox and Focus for Android. Other versions of Firefox are unaffected.* This vulnerability affects Firefox for Android < 112 and Focus for Android < 112.",
    "evidence": "osv:CVE-2023-29534",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2023-29534",
      "aliases": [
        "CVE-2023-29534"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/mozilla-mobile/firefox-ios",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6bb65a47f78392c448096bc1c336f8c5646faca5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:android:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "112.0"
                      }
                    ],
                    "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-2023-29534.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/mozilla-mobile/focus-ios",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "770b09a76b5e2fb6fd0c9646733412904657dd69"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:mozilla:firefox_focus:*:*:*:*:*:android:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "112.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "8.1.6",
            "8.1.1",
            "v8.1-b1",
            "v8.0",
            "v8.0-b2",
            "v8.0-b1",
            "v7.0.3",
            "v3.9",
            "v3.1",
            "v2.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-29534.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:31.637880Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/29xxx/CVE-2023-29534.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-29534",
        "https://www.mozilla.org/security/advisories/mfsa2023-13/",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=1816007",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=1816059",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=1821155",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=1821576",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=1821906",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=1822298",
        "https://bugzilla.mozilla.org/show_bug.cgi?id=1822305"
      ],
      "provider_metadata": {
        "cna_assigner": "mozilla",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "112"
                  },
                  {
                    "fixed": "112"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "SplitRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/29xxx/CVE-2023-29534.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-29534",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 498716,
  "published_at": "2023-06-19T10:11:00.47+00:00"
}