Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/59535?format=api
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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/59535?format=api",
    "vulnerability_id": "VCID-ynyp-ybd9-57df",
    "summary": "A flaw in the Ruby standard library might allow remote attackers to cause a\n    Denial of Service attack.",
    "aliases": [
        {
            "alias": "CVE-2009-1904"
        },
        {
            "alias": "GHSA-prwc-wj59-8vwr"
        },
        {
            "alias": "OSV-55031"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/84610?format=api",
            "purl": "pkg:ebuild/dev-lang/ruby@1.8.6_p369",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:ebuild/dev-lang/ruby@1.8.6_p369"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/128413?format=api",
            "purl": "pkg:rpm/redhat/ruby@1.8.1-7.el4_8?arch=3",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-ukjn-pbdj-u3e3"
                },
                {
                    "vulnerability": "VCID-xtny-ychb-fff1"
                },
                {
                    "vulnerability": "VCID-ynyp-ybd9-57df"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/ruby@1.8.1-7.el4_8%3Farch=3"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/128414?format=api",
            "purl": "pkg:rpm/redhat/ruby@1.8.5-5.el5_3?arch=7",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-ukjn-pbdj-u3e3"
                },
                {
                    "vulnerability": "VCID-xtny-ychb-fff1"
                },
                {
                    "vulnerability": "VCID-ynyp-ybd9-57df"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:rpm/redhat/ruby@1.8.5-5.el5_3%3Farch=7"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/130657?format=api",
            "purl": "pkg:ruby/ruby@1.8.7",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-4yvc-uzev-wua4"
                },
                {
                    "vulnerability": "VCID-5bte-uex2-f7du"
                },
                {
                    "vulnerability": "VCID-8fbf-8fea-27d9"
                },
                {
                    "vulnerability": "VCID-94vg-kqhg-qfdv"
                },
                {
                    "vulnerability": "VCID-9gp6-pvw1-ufhs"
                },
                {
                    "vulnerability": "VCID-9ukz-9357-aqb6"
                },
                {
                    "vulnerability": "VCID-a15m-bcma-vfa7"
                },
                {
                    "vulnerability": "VCID-bv9s-j5yk-m3aw"
                },
                {
                    "vulnerability": "VCID-c9sy-czbr-tfer"
                },
                {
                    "vulnerability": "VCID-ea13-mua4-1fb9"
                },
                {
                    "vulnerability": "VCID-fw7k-88kf-1kgg"
                },
                {
                    "vulnerability": "VCID-jx79-wpg7-2yaa"
                },
                {
                    "vulnerability": "VCID-mzqm-gc4w-fbfp"
                },
                {
                    "vulnerability": "VCID-nsa4-b31c-37g2"
                },
                {
                    "vulnerability": "VCID-pegr-f5mh-ekdz"
                },
                {
                    "vulnerability": "VCID-qjwb-ph9u-bubf"
                },
                {
                    "vulnerability": "VCID-xtny-ychb-fff1"
                },
                {
                    "vulnerability": "VCID-ynyp-ybd9-57df"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:ruby/ruby@1.8.7"
        }
    ],
    "references": [
        {
            "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2009-1904.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2009-1904.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2009-1904",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89113",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89121",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89136",
                    "published_at": "2026-04-04T12:55:00Z"
                },
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89138",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89156",
                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89161",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89172",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
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                    "scoring_system": "epss",
                    "scoring_elements": "0.89168",
                    "published_at": "2026-04-12T12:55:00Z"
                },
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89165",
                    "published_at": "2026-04-13T12:55:00Z"
                },
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89178",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89177",
                    "published_at": "2026-04-18T12:55:00Z"
                },
                {
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                    "scoring_elements": "0.89175",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89191",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89196",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.892",
                    "published_at": "2026-04-29T12:55:00Z"
                },
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89208",
                    "published_at": "2026-05-05T12:55:00Z"
                },
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89224",
                    "published_at": "2026-05-07T12:55:00Z"
                },
                {
                    "value": "0.04526",
                    "scoring_system": "epss",
                    "scoring_elements": "0.89235",
                    "published_at": "2026-05-09T12:55:00Z"
                },
                {
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                    "scoring_system": "epss",
                    "scoring_elements": "0.89232",
                    "published_at": "2026-05-11T12:55:00Z"
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                {
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                {
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                    "scoring_system": "epss",
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                    "published_at": "2026-05-14T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2009-1904"
        },
        {
            "reference_url": "https://www.ruby-lang.org/en/news/2009/06/09/dos-vulnerability-in-bigdecimal",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://www.ruby-lang.org/en/news/2009/06/09/dos-vulnerability-in-bigdecimal"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=504958",
            "reference_id": "504958",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=504958"
        },
        {
            "reference_url": "https://security.gentoo.org/glsa/200906-02",
            "reference_id": "GLSA-200906-02",
            "reference_type": "",
            "scores": [],
            "url": "https://security.gentoo.org/glsa/200906-02"
        },
        {
            "reference_url": "https://access.redhat.com/errata/RHSA-2009:1140",
            "reference_id": "RHSA-2009:1140",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/errata/RHSA-2009:1140"
        },
        {
            "reference_url": "https://usn.ubuntu.com/805-1/",
            "reference_id": "USN-805-1",
            "reference_type": "",
            "scores": [],
            "url": "https://usn.ubuntu.com/805-1/"
        },
        {
            "reference_url": "https://usn.ubuntu.com/900-1/",
            "reference_id": "USN-900-1",
            "reference_type": "",
            "scores": [],
            "url": "https://usn.ubuntu.com/900-1/"
        }
    ],
    "weaknesses": [],
    "exploits": [],
    "severity_range_score": null,
    "exploitability": "0.5",
    "weighted_severity": "0.0",
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-ynyp-ybd9-57df"
}