{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2021-21899",
        "ASSIGNER": "talos-cna@cisco.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "LibreCAD",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1350",
                "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2021-1350"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-fa9e3c23f2",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RDI3HCTCACMIC7I4ILB3NRU6DCMADI5H/"
            },
            {
                "refsource": "FEDORA",
                "name": "FEDORA-2021-67c946a9f3",
                "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZTIAMP7QJDKV4ADDLR4GVVX2TXYLHVOZ/"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20211203 [SECURITY] [DLA 2838-1] librecad security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/12/msg00002.html"
            },
            {
                "refsource": "DEBIAN",
                "name": "DSA-5077",
                "url": "https://www.debian.org/security/2022/dsa-5077"
            },
            {
                "refsource": "GENTOO",
                "name": "GLSA-202305-26",
                "url": "https://security.gentoo.org/glsa/202305-26"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A code execution vulnerability exists in the dwgCompressor::copyCompBytes21 functionality of LibreCad libdxfrw 2.2.0-rc2-19-ge02f3580. A specially-crafted .dwg file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability."
            }
        ]
    },
    "impact": {
        "cvss": {
            "baseScore": 8.8,
            "baseSeverity": "High",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.0"
        }
    }
}