{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.1",
    "cveMetadata": {
        "state": "PUBLISHED",
        "cveId": "CVE-2021-4128",
        "assignerOrgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
        "assignerShortName": "mozilla",
        "dateUpdated": "2024-08-03T17:16:04.265Z",
        "dateReserved": "2021-12-16T00:00:00",
        "datePublished": "2022-12-22T00:00:00"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "f16b083a-5664-49f3-a51e-8d479e5ed7fe",
                "shortName": "mozilla",
                "dateUpdated": "2022-12-22T00:00:00"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "When transitioning in and out of fullscreen mode, a graphics object was not correctly protected; resulting in memory corruption and a potentially exploitable crash.<br>*This bug only affects Firefox on MacOS. Other operating systems are unaffected.*. This vulnerability affects Firefox < 95."
                }
            ],
            "affected": [
                {
                    "vendor": "Mozilla",
                    "product": "Firefox",
                    "versions": [
                        {
                            "version": "unspecified",
                            "lessThan": "95",
                            "status": "affected",
                            "versionType": "custom"
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://www.mozilla.org/security/advisories/mfsa2021-52/"
                },
                {
                    "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1735852"
                }
            ],
            "problemTypes": [
                {
                    "descriptions": [
                        {
                            "type": "text",
                            "lang": "en",
                            "description": "Use-after-free in fullscreen objects on MacOS"
                        }
                    ]
                }
            ]
        },
        "adp": [
            {
                "providerMetadata": {
                    "orgId": "af854a3a-2127-422b-91ae-364da2661108",
                    "shortName": "CVE",
                    "dateUpdated": "2024-08-03T17:16:04.265Z"
                },
                "title": "CVE Program Container",
                "references": [
                    {
                        "url": "https://www.mozilla.org/security/advisories/mfsa2021-52/",
                        "tags": [
                            "x_transferred"
                        ]
                    },
                    {
                        "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1735852",
                        "tags": [
                            "x_transferred"
                        ]
                    }
                ]
            }
        ]
    }
}