Medium
Security advisory
IndexedDB should be cleared when leaving private browsing mode and it is not, the API for WKWebViewConfiguration was being used incorrectly and requires the private instance of this object be deleted when leaving private mode. This vulnerability affects Firefox for iOS < 27.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-12414
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 04:38 UTC · Revision 1
Source evidence
IndexedDB should be cleared when leaving private browsing mode and it is not, the API for WKWebViewConfiguration was being used incorrectly and requires the private instance of this object be deleted when leaving private mode. This vulnerability affects Firefox for iOS < 27.
osv:CVE-2020-12414
Complete source record
{
"id": "b061761118eaed66d29ed74bb6855155aaf218a2fd34ddea737efef4ae550039",
"url": "https://osv.dev/vulnerability/CVE-2020-12414",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-12414",
"summary": "IndexedDB should be cleared when leaving private browsing mode and it is not, the API for WKWebViewConfiguration was being used incorrectly and requires the private instance of this object be deleted when leaving private mode. This vulnerability affects Firefox for iOS < 27.",
"evidence": "osv:CVE-2020-12414",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-12414",
"aliases": [
"CVE-2020-12414"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/mozilla-mobile/firefox-ios",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "b16b4baa84cce62dab3901d4309be5e3488832e3"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:mozilla:firefox_mobile:*:*:*:*:*:iphone_os:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "27.0"
}
],
"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-2020-12414.json"
}
}
],
"modified": "2026-10-24T10:30:21.216001007Z",
"provider": "osv",
"references": [
"https://www.mozilla.org/security/advisories/mfsa2020-23/",
"https://bugzilla.mozilla.org/show_bug.cgi?id=1646756"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-12414",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 430443,
"published_at": "2020-07-09T15:15:11.537+00:00"
}