{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2020-7463",
        "ASSIGNER": "secteam@freebsd.org",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "FreeBSD",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "FreeBSD 12.1-RELEASE before p9, 11.4-RELEASE before p3, 11.3-RELEASE before p13"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Use After Free"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc",
                "url": "https://security.FreeBSD.org/advisories/FreeBSD-SA-20:25.sctp.asc"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://support.apple.com/kb/HT212317",
                "url": "https://support.apple.com/kb/HT212317"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://support.apple.com/kb/HT212319",
                "url": "https://support.apple.com/kb/HT212319"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://support.apple.com/kb/HT212325",
                "url": "https://support.apple.com/kb/HT212325"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://support.apple.com/kb/HT212323",
                "url": "https://support.apple.com/kb/HT212323"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://support.apple.com/kb/HT212324",
                "url": "https://support.apple.com/kb/HT212324"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://support.apple.com/kb/HT212321",
                "url": "https://support.apple.com/kb/HT212321"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://support.apple.com/kb/HT212318",
                "url": "https://support.apple.com/kb/HT212318"
            },
            {
                "refsource": "FULLDISC",
                "name": "20210427 APPLE-SA-2021-04-26-1 iOS 14.5 and iPadOS 14.5",
                "url": "http://seclists.org/fulldisclosure/2021/Apr/49"
            },
            {
                "refsource": "FULLDISC",
                "name": "20210427 APPLE-SA-2021-04-26-2 macOS Big Sur 11.3",
                "url": "http://seclists.org/fulldisclosure/2021/Apr/50"
            },
            {
                "refsource": "FULLDISC",
                "name": "20210427 APPLE-SA-2021-04-26-9 iTunes 12.11.3 for Windows",
                "url": "http://seclists.org/fulldisclosure/2021/Apr/59"
            },
            {
                "refsource": "FULLDISC",
                "name": "20210427 APPLE-SA-2021-04-26-8 iCloud for Windows 12.3",
                "url": "http://seclists.org/fulldisclosure/2021/Apr/58"
            },
            {
                "refsource": "FULLDISC",
                "name": "20210427 APPLE-SA-2021-04-26-7 Safari 14.1",
                "url": "http://seclists.org/fulldisclosure/2021/Apr/57"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "In FreeBSD 12.1-STABLE before r364644, 11.4-STABLE before r364651, 12.1-RELEASE before p9, 11.4-RELEASE before p3, and 11.3-RELEASE before p13, improper handling in the kernel causes a use-after-free bug by sending large user messages from multiple threads on the same SCTP socket. The use-after-free situation may result in unintended kernel behaviour including a kernel panic."
            }
        ]
    }
}