Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/87378?format=api",
    "vulnerability_id": "VCID-pndu-sj69-1yex",
    "summary": "kernel: xen: improper upper boundary check in get_free_port() function",
    "aliases": [
        {
            "alias": "CVE-2011-1763"
        }
    ],
    "fixed_packages": [],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/127175?format=api",
            "purl": "pkg:rpm/redhat/kernel@2.6.18-238.12.1?arch=el5",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-37uh-rp8n-sfa2"
                },
                {
                    "vulnerability": "VCID-75ba-49cu-zuaj"
                },
                {
                    "vulnerability": "VCID-b5ab-aade-4kfw"
                },
                {
                    "vulnerability": "VCID-dxqf-acq4-nuca"
                },
                {
                    "vulnerability": "VCID-fj3a-gsa8-nug7"
                },
                {
                    "vulnerability": "VCID-p45k-2b85-9ydy"
                },
                {
                    "vulnerability": "VCID-phc7-fgab-sua4"
                },
                {
                    "vulnerability": "VCID-pndu-sj69-1yex"
                },
                {
                    "vulnerability": "VCID-qtdb-h1kj-yybt"
                },
                {
                    "vulnerability": "VCID-rg3q-bcnw-1fdy"
                },
                {
                    "vulnerability": "VCID-rh8x-5dz8-tbd6"
                },
                {
                    "vulnerability": "VCID-vxpg-dudv-kkf5"
                },
                {
                    "vulnerability": "VCID-ytng-8j5w-17ea"
                },
                {
                    "vulnerability": "VCID-zedv-xfpx-effg"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/kernel@2.6.18-238.12.1%3Farch=el5"
        }
    ],
    "references": [
        {
            "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-1763.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-1763.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2011-1763",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.23754",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.23871",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.23911",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.237",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.2377",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.23817",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.23831",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.23787",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.2373",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.23741",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.23728",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.23705",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.23594",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.23585",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.23549",
                    "published_at": "2026-04-29T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.23431",
                    "published_at": "2026-05-05T12:55:00Z"
                },
                {
                    "value": "0.00081",
                    "scoring_system": "epss",
                    "scoring_elements": "0.2351",
                    "published_at": "2026-05-07T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2011-1763"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=701240",
            "reference_id": "701240",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=701240"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2011:0833",
            "reference_id": "RHSA-2011:0833",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2011:0833"
        }
    ],
    "weaknesses": [],
    "exploits": [],
    "severity_range_score": null,
    "exploitability": "0.5",
    "weighted_severity": "0.0",
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-pndu-sj69-1yex"
}