{
    "data_type": "CVE",
    "data_format": "MITRE",
    "data_version": "4.0",
    "CVE_data_meta": {
        "ID": "CVE-2021-20255",
        "ASSIGNER": "secalert@redhat.com",
        "STATE": "PUBLIC"
    },
    "affects": {
        "vendor": {
            "vendor_data": [
                {
                    "vendor_name": "n/a",
                    "product": {
                        "product_data": [
                            {
                                "product_name": "QEMU",
                                "version": {
                                    "version_data": [
                                        {
                                            "version_value": "all versions"
                                        }
                                    ]
                                }
                            }
                        ]
                    }
                }
            ]
        }
    },
    "problemtype": {
        "problemtype_data": [
            {
                "description": [
                    {
                        "lang": "eng",
                        "value": "CWE-835"
                    }
                ]
            }
        ]
    },
    "references": {
        "reference_data": [
            {
                "refsource": "MISC",
                "name": "https://bugzilla.redhat.com/show_bug.cgi?id=1930646",
                "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1930646"
            },
            {
                "refsource": "MISC",
                "name": "https://www.openwall.com/lists/oss-security/2021/02/25/1",
                "url": "https://www.openwall.com/lists/oss-security/2021/02/25/1"
            },
            {
                "refsource": "MISC",
                "name": "https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1",
                "url": "https://ruhr-uni-bochum.sciebo.de/s/NNWP2GfwzYKeKwE?path=%2Feepro100_stackoverflow1"
            },
            {
                "refsource": "MLIST",
                "name": "[debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security update",
                "url": "https://lists.debian.org/debian-lts-announce/2021/04/msg00009.html"
            },
            {
                "refsource": "CONFIRM",
                "name": "https://security.netapp.com/advisory/ntap-20210507-0003/",
                "url": "https://security.netapp.com/advisory/ntap-20210507-0003/"
            }
        ]
    },
    "description": {
        "description_data": [
            {
                "lang": "eng",
                "value": "A stack overflow via an infinite recursion vulnerability was found in the eepro100 i8255x device emulator of QEMU. This issue occurs while processing controller commands due to a DMA reentry issue. This flaw allows a guest user or process to consume CPU cycles or crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability."
            }
        ]
    }
}