Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/161866?format=api",
    "vulnerability_id": "VCID-k8g5-d8xx-3ye4",
    "summary": "H2O versions 2.0.3 and earlier and 2.1.0-beta2 and earlier allows remote attackers to cause a denial-of-service (DoS) via format string specifiers in a template file via fastcgi, mruby, proxy, redirect or reproxy.",
    "aliases": [
        {
            "alias": "CVE-2016-4864"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/924727?format=api",
            "purl": "pkg:deb/debian/h2o@0?distro=bullseye",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/h2o@0%3Fdistro=bullseye"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/924728?format=api",
            "purl": "pkg:deb/debian/h2o@2.2.5%2Bdfsg2-6?distro=bullseye",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/h2o@2.2.5%252Bdfsg2-6%3Fdistro=bullseye"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/924726?format=api",
            "purl": "pkg:deb/debian/h2o@2.2.5%2Bdfsg2-7?distro=bullseye",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/h2o@2.2.5%252Bdfsg2-7%3Fdistro=bullseye"
        }
    ],
    "affected_packages": [],
    "references": [
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2016-4864",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.81619",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.8163",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.81652",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.8165",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.81677",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.81681",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
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                    "scoring_system": "epss",
                    "scoring_elements": "0.81701",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.81689",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.81682",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.81721",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.8172",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.81724",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.81749",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.81758",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.81764",
                    "published_at": "2026-04-29T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.81781",
                    "published_at": "2026-05-05T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.81802",
                    "published_at": "2026-05-07T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.81827",
                    "published_at": "2026-05-09T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.81823",
                    "published_at": "2026-05-11T12:55:00Z"
                },
                {
                    "value": "0.01598",
                    "scoring_system": "epss",
                    "scoring_elements": "0.8184",
                    "published_at": "2026-05-12T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2016-4864"
        }
    ],
    "weaknesses": [],
    "exploits": [],
    "severity_range_score": null,
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-k8g5-d8xx-3ye4"
}