GET

Vulnerability Instance

Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/87399?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/87399?format=api",
    "vulnerability_id": "VCID-xpam-85jr-gfhs",
    "summary": "glibc: svc_run() produces high cpu usage when accept() fails with EMFILE error",
    "aliases": [
        {
            "alias": "CVE-2011-4609"
        }
    ],
    "fixed_packages": [],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/127210?format=api",
            "purl": "pkg:rpm/redhat/glibc@2.3.4-2?arch=57",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-3yq4-pzqz-4yap"
                },
                {
                    "vulnerability": "VCID-746m-vcyt-97gh"
                },
                {
                    "vulnerability": "VCID-gbqk-t5bg-dyby"
                },
                {
                    "vulnerability": "VCID-hu2t-wcga-c3e9"
                },
                {
                    "vulnerability": "VCID-vcf1-m7tr-zbgc"
                },
                {
                    "vulnerability": "VCID-w8rc-tnpk-83c4"
                },
                {
                    "vulnerability": "VCID-xpam-85jr-gfhs"
                },
                {
                    "vulnerability": "VCID-y19v-br6n-3ybf"
                },
                {
                    "vulnerability": "VCID-zhzd-f8a6-juaa"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/glibc@2.3.4-2%3Farch=57"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/127209?format=api",
            "purl": "pkg:rpm/redhat/glibc@2.5-65.el5_7?arch=3",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-3yq4-pzqz-4yap"
                },
                {
                    "vulnerability": "VCID-746m-vcyt-97gh"
                },
                {
                    "vulnerability": "VCID-gbqk-t5bg-dyby"
                },
                {
                    "vulnerability": "VCID-w8rc-tnpk-83c4"
                },
                {
                    "vulnerability": "VCID-xpam-85jr-gfhs"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/glibc@2.5-65.el5_7%3Farch=3"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/127208?format=api",
            "purl": "pkg:rpm/redhat/glibc@2.12-1.47.el6_2?arch=5",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-746m-vcyt-97gh"
                },
                {
                    "vulnerability": "VCID-xpam-85jr-gfhs"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/glibc@2.12-1.47.el6_2%3Farch=5"
        }
    ],
    "references": [
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            "reference_id": "",
            "reference_type": "",
            "scores": [],
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        {
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            "reference_id": "",
            "reference_type": "",
            "scores": [
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                    "scoring_elements": "0.64831",
                    "published_at": "2026-05-07T12:55:00Z"
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            "url": "https://api.first.org/data/v1/epss?cve=CVE-2011-4609"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=767299",
            "reference_id": "767299",
            "reference_type": "",
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                    "scoring_system": "cvssv2",
                    "scoring_elements": "AV:N/AC:L/Au:N/C:N/I:N/A:P"
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    ],
    "weaknesses": [
        {
            "cwe_id": 399,
            "name": "Resource Management Errors",
            "description": "Weaknesses in this category are related to improper management of system resources."
        }
    ],
    "exploits": [],
    "severity_range_score": "5.0 - 5.0",
    "exploitability": "0.5",
    "weighted_severity": "4.5",
    "risk_score": 2.2,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-xpam-85jr-gfhs"
}