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Medium

Security advisory

Type: advisorySources: OSVCVE: CVE-2020-12414

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

CVE-2020-12414

core-osv · Original source

Published 9 Jul 2020, 15:15 UTC

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"
}