Lookup for vulnerabilities affecting packages.

GET /api/vulnerabilities/57656?format=api
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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/57656?format=api",
    "vulnerability_id": "VCID-9cd8-6mjw-wyep",
    "summary": "golang.org/x/net/html Infinite Loop vulnerability\nGo through 1.15.12 and 1.16.x through 1.16.4 has a golang.org/x/net/html infinite loop via crafted ParseFragment input.",
    "aliases": [
        {
            "alias": "CVE-2021-33194"
        },
        {
            "alias": "GHSA-83g2-8m93-v3w7"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/924167?format=api",
            "purl": "pkg:deb/debian/golang-golang-x-net@1:0.0%2Bgit20210119.5f4716e%2Bdfsg-4?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-3zyn-rapk-ybe8"
                },
                {
                    "vulnerability": "VCID-5kkq-5jpf-fqev"
                },
                {
                    "vulnerability": "VCID-73s2-6cpr-gkdu"
                },
                {
                    "vulnerability": "VCID-aj2b-56uj-gkar"
                },
                {
                    "vulnerability": "VCID-asx6-ds7x-6ubz"
                },
                {
                    "vulnerability": "VCID-azr4-u36f-pbew"
                },
                {
                    "vulnerability": "VCID-g8qg-4g78-pfgn"
                },
                {
                    "vulnerability": "VCID-k6de-54xk-dkfv"
                },
                {
                    "vulnerability": "VCID-sdd3-35ng-g7a3"
                },
                {
                    "vulnerability": "VCID-w53f-uad6-gqdn"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/golang-golang-x-net@1:0.0%252Bgit20210119.5f4716e%252Bdfsg-4%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/924165?format=api",
            "purl": "pkg:deb/debian/golang-golang-x-net@1:0.7.0%2Bdfsg-1?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-3zyn-rapk-ybe8"
                },
                {
                    "vulnerability": "VCID-73s2-6cpr-gkdu"
                },
                {
                    "vulnerability": "VCID-aj2b-56uj-gkar"
                },
                {
                    "vulnerability": "VCID-asx6-ds7x-6ubz"
                },
                {
                    "vulnerability": "VCID-g8qg-4g78-pfgn"
                },
                {
                    "vulnerability": "VCID-k6de-54xk-dkfv"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/golang-golang-x-net@1:0.7.0%252Bdfsg-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/924169?format=api",
            "purl": "pkg:deb/debian/golang-golang-x-net@1:0.27.0-2?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-73s2-6cpr-gkdu"
                },
                {
                    "vulnerability": "VCID-asx6-ds7x-6ubz"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/golang-golang-x-net@1:0.27.0-2%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/924168?format=api",
            "purl": "pkg:deb/debian/golang-golang-x-net@1:0.47.0-2?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/golang-golang-x-net@1:0.47.0-2%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/1062468?format=api",
            "purl": "pkg:deb/debian/golang-golang-x-net@1:0.53.0-1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/golang-golang-x-net@1:0.53.0-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/1081522?format=api",
            "purl": "pkg:deb/debian/golang-golang-x-net@1:0.53.0-2?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/golang-golang-x-net@1:0.53.0-2%3Fdistro=trixie"
        }
    ],
    "affected_packages": [],
    "references": [
        {
            "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-33194.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "7.5",
                    "scoring_system": "cvssv3",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                }
            ],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-33194.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-33194",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.00039",
                    "scoring_system": "epss",
                    "scoring_elements": "0.11668",
                    "published_at": "2026-04-02T12:55:00Z"
                },
                {
                    "value": "0.00039",
                    "scoring_system": "epss",
                    "scoring_elements": "0.11542",
                    "published_at": "2026-04-01T12:55:00Z"
                },
                {
                    "value": "0.00138",
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                    "scoring_elements": "0.34087",
                    "published_at": "2026-04-04T12:55:00Z"
                },
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                    "published_at": "2026-04-08T12:55:00Z"
                },
                {
                    "value": "0.00138",
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                    "scoring_elements": "0.33945",
                    "published_at": "2026-04-07T12:55:00Z"
                },
                {
                    "value": "0.00142",
                    "scoring_system": "epss",
                    "scoring_elements": "0.33885",
                    "published_at": "2026-05-14T12:55:00Z"
                },
                {
                    "value": "0.00142",
                    "scoring_system": "epss",
                    "scoring_elements": "0.33811",
                    "published_at": "2026-05-12T12:55:00Z"
                },
                {
                    "value": "0.00142",
                    "scoring_system": "epss",
                    "scoring_elements": "0.33875",
                    "published_at": "2026-05-09T12:55:00Z"
                },
                {
                    "value": "0.00142",
                    "scoring_system": "epss",
                    "scoring_elements": "0.33787",
                    "published_at": "2026-05-11T12:55:00Z"
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                    "published_at": "2026-05-07T12:55:00Z"
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                    "published_at": "2026-05-05T12:55:00Z"
                },
                {
                    "value": "0.00154",
                    "scoring_system": "epss",
                    "scoring_elements": "0.35872",
                    "published_at": "2026-04-26T12:55:00Z"
                },
                {
                    "value": "0.00168",
                    "scoring_system": "epss",
                    "scoring_elements": "0.38036",
                    "published_at": "2026-04-11T12:55:00Z"
                },
                {
                    "value": "0.00168",
                    "scoring_system": "epss",
                    "scoring_elements": "0.38019",
                    "published_at": "2026-04-09T12:55:00Z"
                },
                {
                    "value": "0.00168",
                    "scoring_system": "epss",
                    "scoring_elements": "0.37725",
                    "published_at": "2026-04-24T12:55:00Z"
                },
                {
                    "value": "0.00168",
                    "scoring_system": "epss",
                    "scoring_elements": "0.37938",
                    "published_at": "2026-04-21T12:55:00Z"
                },
                {
                    "value": "0.00168",
                    "scoring_system": "epss",
                    "scoring_elements": "0.3802",
                    "published_at": "2026-04-16T12:55:00Z"
                },
                {
                    "value": "0.00168",
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                    "published_at": "2026-04-18T12:55:00Z"
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                    "value": "0.00168",
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                    "scoring_elements": "0.37975",
                    "published_at": "2026-04-13T12:55:00Z"
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            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-33194"
        },
        {
            "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33194",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33194"
        },
        {
            "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "7.5",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                }
            ],
            "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"
        },
        {
            "reference_url": "https://github.com/golang/net/commit/37e1c6afe02340126705deced573a85ab75209d7",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "7.5",
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                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://github.com/golang/net/commit/37e1c6afe02340126705deced573a85ab75209d7"
        },
        {
            "reference_url": "https://go.dev/cl/311090",
            "reference_id": "",
            "reference_type": "",
            "scores": [
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                    "value": "7.5",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://go.dev/cl/311090"
        },
        {
            "reference_url": "https://go.dev/issue/46288",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "7.5",
                    "scoring_system": "cvssv3.1",
                    "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
                },
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://go.dev/issue/46288"
        },
        {
            "reference_url": "https://go.googlesource.com/net/+/37e1c6afe02340126705deced573a85ab75209d7",
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            "scores": [
                {
                    "value": "7.5",
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                },
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://go.googlesource.com/net/+/37e1c6afe02340126705deced573a85ab75209d7"
        },
        {
            "reference_url": "https://groups.google.com/g/golang-announce/c/wPunbCPkWUg",
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                },
                {
                    "value": "HIGH",
                    "scoring_system": "generic_textual",
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                }
            ],
            "url": "https://groups.google.com/g/golang-announce/c/wPunbCPkWUg"
        },
        {
            "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4CHKSFMHZVOBCZSSVRE3UEYNKARTBMTM",
            "reference_id": "",
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                },
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                    "value": "HIGH",
                    "scoring_system": "generic_textual",
                    "scoring_elements": ""
                }
            ],
            "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4CHKSFMHZVOBCZSSVRE3UEYNKARTBMTM"
        },
        {
            "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33194",
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            "reference_type": "",
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                },
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                }
            ],
            "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33194"
        },
        {
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        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1963232",
            "reference_id": "1963232",
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            "reference_id": "RHSA-2021:2438",
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            "url": "https://access.redhat.com/errata/RHSA-2021:2438"
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        {
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            "reference_id": "RHSA-2021:3759",
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            "reference_id": "RHSA-2021:4627",
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        {
            "reference_url": "https://usn.ubuntu.com/8089-2/",
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            "url": "https://usn.ubuntu.com/8089-2/"
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        {
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            "reference_id": "USN-8089-3",
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            "scores": [],
            "url": "https://usn.ubuntu.com/8089-3/"
        }
    ],
    "weaknesses": [
        {
            "cwe_id": 835,
            "name": "Loop with Unreachable Exit Condition ('Infinite Loop')",
            "description": "The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop."
        }
    ],
    "exploits": [],
    "severity_range_score": "7.0 - 8.9",
    "exploitability": null,
    "weighted_severity": null,
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-9cd8-6mjw-wyep"
}