Critical
Security advisory
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
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": [
{
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},
{
"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"
}