{
    "data_version": "4.0",
    "references": {
        "reference_data": [
            {
                "url": "https://www.mozilla.org/security/advisories/mfsa2019-07/",
                "refsource": "MISC",
                "name": "https://www.mozilla.org/security/advisories/mfsa2019-07/"
            },
            {
                "url": "https://www.mozilla.org/security/advisories/mfsa2019-08/",
                "refsource": "MISC",
                "name": "https://www.mozilla.org/security/advisories/mfsa2019-08/"
            },
            {
                "url": "https://www.mozilla.org/security/advisories/mfsa2019-11/",
                "refsource": "MISC",
                "name": "https://www.mozilla.org/security/advisories/mfsa2019-11/"
            },
            {
                "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1531277",
                "refsource": "MISC",
                "name": "https://bugzilla.mozilla.org/show_bug.cgi?id=1531277"
            },
            {
                "refsource": "REDHAT",
                "name": "RHSA-2019:0966",
                "url": "https://access.redhat.com/errata/RHSA-2019:0966"
            },
            {
                "refsource": "REDHAT",
                "name": "RHSA-2019:1144",
                "url": "https://access.redhat.com/errata/RHSA-2019:1144"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A use-after-free vulnerability can occur when the SMIL animation controller incorrectly registers with the refresh driver twice when only a single registration is expected. When a registration is later freed with the removal of the animation controller element, the refresh driver incorrectly leaves a dangling pointer to the driver's observer array. This vulnerability affects Thunderbird < 60.6, Firefox ESR < 60.6, and Firefox < 66."
            }
        ]
    },
    "data_type": "CVE",
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "product": {
                        "product_data": [
                            {
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "60.6"
                                        }
                                    ]
                                },
                                "product_name": "Thunderbird"
                            },
                            {
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "60.6"
                                        }
                                    ]
                                },
                                "product_name": "Firefox ESR"
                            },
                            {
                                "version": {
                                    "version_data": [
                                        {
                                            "version_affected": "<",
                                            "version_value": "66"
                                        }
                                    ]
                                },
                                "product_name": "Firefox"
                            }
                        ]
                    },
                    "vendor_name": "Mozilla"
                }
            ]
        }
    },
    "CVE_data_meta": {
        "ID": "CVE-2019-9796",
        "ASSIGNER": "security@mozilla.org",
        "STATE": "PUBLIC"
    },
    "data_format": "MITRE",
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Use-after-free with SMIL animation controller"
                    }
                ]
            }
        ]
    }
}