GET

Package Instance

Lookup for vulnerable packages by Package URL.

GET /api/packages/564676?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/packages/564676?format=api",
    "purl": "pkg:apk/alpine/xen@4.15.0-r0?arch=loongarch64&distroversion=edge&reponame=main",
    "type": "apk",
    "namespace": "alpine",
    "name": "xen",
    "version": "4.15.0-r0",
    "qualifiers": {
        "arch": "loongarch64",
        "distroversion": "edge",
        "reponame": "main"
    },
    "subpath": "",
    "is_vulnerable": false,
    "next_non_vulnerable_version": "4.15.0-r1",
    "latest_non_vulnerable_version": "4.21.1-r2",
    "affected_by_vulnerabilities": [],
    "fixing_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/4263?format=api",
            "vulnerability_id": "VCID-77st-3475-5kdr",
            "summary": "HVM soft-reset crashes toolstack",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-28687",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00045",
                            "scoring_system": "epss",
                            "scoring_elements": "0.13922",
                            "published_at": "2026-04-24T12:55:00Z"
                        },
                        {
                            "value": "0.00045",
                            "scoring_system": "epss",
                            "scoring_elements": "0.13979",
                            "published_at": "2026-04-01T12:55:00Z"
                        },
                        {
                            "value": "0.00045",
                            "scoring_system": "epss",
                            "scoring_elements": "0.14057",
                            "published_at": "2026-04-02T12:55:00Z"
                        },
                        {
                            "value": "0.00045",
                            "scoring_system": "epss",
                            "scoring_elements": "0.14111",
                            "published_at": "2026-04-04T12:55:00Z"
                        },
                        {
                            "value": "0.00045",
                            "scoring_system": "epss",
                            "scoring_elements": "0.13914",
                            "published_at": "2026-04-07T12:55:00Z"
                        },
                        {
                            "value": "0.00045",
                            "scoring_system": "epss",
                            "scoring_elements": "0.13999",
                            "published_at": "2026-04-08T12:55:00Z"
                        },
                        {
                            "value": "0.00045",
                            "scoring_system": "epss",
                            "scoring_elements": "0.14052",
                            "published_at": "2026-04-09T12:55:00Z"
                        },
                        {
                            "value": "0.00045",
                            "scoring_system": "epss",
                            "scoring_elements": "0.14006",
                            "published_at": "2026-04-11T12:55:00Z"
                        },
                        {
                            "value": "0.00045",
                            "scoring_system": "epss",
                            "scoring_elements": "0.13969",
                            "published_at": "2026-04-12T12:55:00Z"
                        },
                        {
                            "value": "0.00045",
                            "scoring_system": "epss",
                            "scoring_elements": "0.1392",
                            "published_at": "2026-04-13T12:55:00Z"
                        },
                        {
                            "value": "0.00045",
                            "scoring_system": "epss",
                            "scoring_elements": "0.13825",
                            "published_at": "2026-04-16T12:55:00Z"
                        },
                        {
                            "value": "0.00045",
                            "scoring_system": "epss",
                            "scoring_elements": "0.13818",
                            "published_at": "2026-04-18T12:55:00Z"
                        },
                        {
                            "value": "0.00045",
                            "scoring_system": "epss",
                            "scoring_elements": "0.13889",
                            "published_at": "2026-04-21T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-28687"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28687",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28687"
                },
                {
                    "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:L/AC:L/PR:L/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://security.gentoo.org/glsa/202107-30",
                    "reference_id": "GLSA-202107-30",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://security.gentoo.org/glsa/202107-30"
                },
                {
                    "reference_url": "https://xenbits.xen.org/xsa/advisory-368.html",
                    "reference_id": "XSA-368",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://xenbits.xen.org/xsa/advisory-368.html"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/564676?format=api",
                    "purl": "pkg:apk/alpine/xen@4.15.0-r0?arch=loongarch64&distroversion=edge&reponame=main",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/xen@4.15.0-r0%3Farch=loongarch64&distroversion=edge&reponame=main"
                }
            ],
            "aliases": [
                "CVE-2021-28687",
                "XSA-368"
            ],
            "risk_score": 1.4,
            "exploitability": "0.5",
            "weighted_severity": "2.8",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-77st-3475-5kdr"
        }
    ],
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/xen@4.15.0-r0%3Farch=loongarch64&distroversion=edge&reponame=main"
}