Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/88018?format=api",
    "vulnerability_id": "VCID-mwme-pa6q-q7d4",
    "summary": "kernel: fuse: prevent fuse_put_request on invalid pointer",
    "aliases": [
        {
            "alias": "CVE-2009-4021"
        }
    ],
    "fixed_packages": [],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/128036?format=api",
            "purl": "pkg:rpm/redhat/kernel@2.6.18-164.11.1?arch=el5",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-6maj-yfz2-p7h3"
                },
                {
                    "vulnerability": "VCID-7xqe-cvcu-cqeu"
                },
                {
                    "vulnerability": "VCID-bzck-use4-7ygm"
                },
                {
                    "vulnerability": "VCID-c7vw-3qbq-wubw"
                },
                {
                    "vulnerability": "VCID-d3sv-sfxz-jyg8"
                },
                {
                    "vulnerability": "VCID-djq9-mejy-b7ah"
                },
                {
                    "vulnerability": "VCID-fcjb-4n2a-auh4"
                },
                {
                    "vulnerability": "VCID-h61x-6rtm-w7b3"
                },
                {
                    "vulnerability": "VCID-k6jn-xb74-kyex"
                },
                {
                    "vulnerability": "VCID-mwme-pa6q-q7d4"
                },
                {
                    "vulnerability": "VCID-zha6-q3tu-p7cs"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/kernel@2.6.18-164.11.1%3Farch=el5"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/128054?format=api",
            "purl": "pkg:rpm/redhat/kernel-rt@2.6.24.7-146?arch=el5rt",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-be19-1hme-s7aq"
                },
                {
                    "vulnerability": "VCID-djq9-mejy-b7ah"
                },
                {
                    "vulnerability": "VCID-mwme-pa6q-q7d4"
                },
                {
                    "vulnerability": "VCID-raqh-x8at-ekhf"
                },
                {
                    "vulnerability": "VCID-z5bw-m9x1-pbht"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/kernel-rt@2.6.24.7-146%3Farch=el5rt"
        }
    ],
    "references": [
        {
            "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2009-4021.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2009-4021.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2009-4021",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00053",
                    "scoring_system": "epss",
                    "scoring_elements": "0.16525",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.00053",
                    "scoring_system": "epss",
                    "scoring_elements": "0.16707",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.00053",
                    "scoring_system": "epss",
                    "scoring_elements": "0.16769",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.00053",
                    "scoring_system": "epss",
                    "scoring_elements": "0.16559",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00053",
                    "scoring_system": "epss",
                    "scoring_elements": "0.16644",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.00053",
                    "scoring_system": "epss",
                    "scoring_elements": "0.16697",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.00053",
                    "scoring_system": "epss",
                    "scoring_elements": "0.16675",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
                    "value": "0.00053",
                    "scoring_system": "epss",
                    "scoring_elements": "0.16634",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.00053",
                    "scoring_system": "epss",
                    "scoring_elements": "0.16575",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.00053",
                    "scoring_system": "epss",
                    "scoring_elements": "0.16511",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.00053",
                    "scoring_system": "epss",
                    "scoring_elements": "0.16518",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.00053",
                    "scoring_system": "epss",
                    "scoring_elements": "0.16555",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.00053",
                    "scoring_system": "epss",
                    "scoring_elements": "0.16449",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00053",
                    "scoring_system": "epss",
                    "scoring_elements": "0.16443",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.00053",
                    "scoring_system": "epss",
                    "scoring_elements": "0.16398",
                    "published_at": "2026-04-29T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2009-4021"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=538734",
            "reference_id": "538734",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=538734"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2010:0041",
            "reference_id": "RHSA-2010:0041",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2010:0041"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2010:0046",
            "reference_id": "RHSA-2010:0046",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2010:0046"
        },
        {
            "reference_url": "https://usn.ubuntu.com/894-1/",
            "reference_id": "USN-894-1",
            "reference_type": "",
            "scores": [],
            "url": "https://usn.ubuntu.com/894-1/"
        }
    ],
    "weaknesses": [],
    "exploits": [],
    "severity_range_score": null,
    "exploitability": "0.5",
    "weighted_severity": "0.0",
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-mwme-pa6q-q7d4"
}