{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2021-39926",
        "ASSIGNER": "cve@gitlab.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "Wireshark Foundation",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "Wireshark",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": ">=3.4.0, <3.4.10"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "Buffer copy without checking size of input ('classic buffer overflow') in Wireshark"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "name": "https://www.wireshark.org/security/wnpa-sec-2021-08.html",
                "url": "https://www.wireshark.org/security/wnpa-sec-2021-08.html",
                "refsource": "MISC"
            },
            {
                "name": "https://gitlab.com/wireshark/wireshark/-/issues/17649",
                "url": "https://gitlab.com/wireshark/wireshark/-/issues/17649",
                "refsource": "MISC"
            },
            {
                "name": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39926.json",
                "url": "https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39926.json",
                "refsource": "CONFIRM"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-97bd631e0a",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-3747cf6107",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-5019",
                "url": "https://www.debian.org/security/2021/dsa-5019"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202210-04",
                "url": "https://security.gentoo.org/glsa/202210-04"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "Buffer overflow in the Bluetooth HCI_ISO dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file"
            }
        ]
    },
    "impact": {
        "cvss": {
            "vectorString": "AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "version": "3.1",
            "baseScore": 7.5,
            "baseSeverity": "HIGH"
        }
    },
    "credit": [
        {
            "lang": "eng",
            "value": "Doneing"
        }
    ]
}