Lookup for vulnerable packages by Package URL.

GET /api/packages/559864?format=api
HTTP 200 OK
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Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/packages/559864?format=api",
    "purl": "pkg:apk/alpine/openssl3@3.0.1-r0?arch=armhf&distroversion=v3.16&reponame=main",
    "type": "apk",
    "namespace": "alpine",
    "name": "openssl3",
    "version": "3.0.1-r0",
    "qualifiers": {
        "arch": "armhf",
        "distroversion": "v3.16",
        "reponame": "main"
    },
    "subpath": "",
    "is_vulnerable": false,
    "next_non_vulnerable_version": "3.0.2-r0",
    "latest_non_vulnerable_version": "3.0.11-r0",
    "affected_by_vulnerabilities": [],
    "fixing_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/11810?format=api",
            "vulnerability_id": "VCID-6pd1-d9gx-kfc1",
            "summary": "Loop with Unreachable Exit Condition ('Infinite Loop')\nInternally libssl in OpenSSL calls X509_verify_cert() on the client side to verify a certificate supplied by a server. The exact behaviour will depend on the application but it could result in crashes, infinite loops or other similar incorrect responses.",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-4044.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-2021-4044.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-4044",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.1758",
                            "scoring_system": "epss",
                            "scoring_elements": "0.95103",
                            "published_at": "2026-04-18T12:55:00Z"
                        },
                        {
                            "value": "0.1758",
                            "scoring_system": "epss",
                            "scoring_elements": "0.95099",
                            "published_at": "2026-04-16T12:55:00Z"
                        },
                        {
                            "value": "0.1758",
                            "scoring_system": "epss",
                            "scoring_elements": "0.9509",
                            "published_at": "2026-04-13T12:55:00Z"
                        },
                        {
                            "value": "0.1758",
                            "scoring_system": "epss",
                            "scoring_elements": "0.95088",
                            "published_at": "2026-04-12T12:55:00Z"
                        },
                        {
                            "value": "0.1758",
                            "scoring_system": "epss",
                            "scoring_elements": "0.95086",
                            "published_at": "2026-04-11T12:55:00Z"
                        },
                        {
                            "value": "0.1758",
                            "scoring_system": "epss",
                            "scoring_elements": "0.9508",
                            "published_at": "2026-04-09T12:55:00Z"
                        },
                        {
                            "value": "0.1758",
                            "scoring_system": "epss",
                            "scoring_elements": "0.95077",
                            "published_at": "2026-04-08T12:55:00Z"
                        },
                        {
                            "value": "0.1758",
                            "scoring_system": "epss",
                            "scoring_elements": "0.9507",
                            "published_at": "2026-04-07T12:55:00Z"
                        },
                        {
                            "value": "0.1758",
                            "scoring_system": "epss",
                            "scoring_elements": "0.95068",
                            "published_at": "2026-04-04T12:55:00Z"
                        },
                        {
                            "value": "0.1758",
                            "scoring_system": "epss",
                            "scoring_elements": "0.95067",
                            "published_at": "2026-04-02T12:55:00Z"
                        },
                        {
                            "value": "0.1758",
                            "scoring_system": "epss",
                            "scoring_elements": "0.95057",
                            "published_at": "2026-04-01T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-4044"
                },
                {
                    "reference_url": "https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=758754966791c537ea95241438454aa86f91f256",
                    "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://git.openssl.org/gitweb/?p=openssl.git%3Ba=commitdiff%3Bh=758754966791c537ea95241438454aa86f91f256"
                },
                {
                    "reference_url": "https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=758754966791c537ea95241438454aa86f91f256",
                    "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://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=758754966791c537ea95241438454aa86f91f256"
                },
                {
                    "reference_url": "https://rustsec.org/advisories/RUSTSEC-2021-0129.html",
                    "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://rustsec.org/advisories/RUSTSEC-2021-0129.html"
                },
                {
                    "reference_url": "https://security.netapp.com/advisory/ntap-20211229-0003",
                    "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://security.netapp.com/advisory/ntap-20211229-0003"
                },
                {
                    "reference_url": "https://security.netapp.com/advisory/ntap-20211229-0003/",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://security.netapp.com/advisory/ntap-20211229-0003/"
                },
                {
                    "reference_url": "https://www.openssl.org/news/secadv/20211214.txt",
                    "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://www.openssl.org/news/secadv/20211214.txt"
                },
                {
                    "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2033761",
                    "reference_id": "2033761",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2033761"
                },
                {
                    "reference_url": "https://security.archlinux.org/AVG-2641",
                    "reference_id": "AVG-2641",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "Medium",
                            "scoring_system": "archlinux",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://security.archlinux.org/AVG-2641"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4044",
                    "reference_id": "CVE-2021-4044",
                    "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://nvd.nist.gov/vuln/detail/CVE-2021-4044"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-mmjf-f5jw-w72q",
                    "reference_id": "GHSA-mmjf-f5jw-w72q",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/advisories/GHSA-mmjf-f5jw-w72q"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/559864?format=api",
                    "purl": "pkg:apk/alpine/openssl3@3.0.1-r0?arch=armhf&distroversion=v3.16&reponame=main",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/openssl3@3.0.1-r0%3Farch=armhf&distroversion=v3.16&reponame=main"
                }
            ],
            "aliases": [
                "CVE-2021-4044",
                "GHSA-mmjf-f5jw-w72q"
            ],
            "risk_score": 4.0,
            "exploitability": "0.5",
            "weighted_severity": "8.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-6pd1-d9gx-kfc1"
        }
    ],
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/openssl3@3.0.1-r0%3Farch=armhf&distroversion=v3.16&reponame=main"
}