Lookup for vulnerable packages by Package URL.

GET /api/packages/75568?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/packages/75568?format=api",
    "purl": "pkg:ebuild/dev-libs/expat@2.2.8",
    "type": "ebuild",
    "namespace": "dev-libs",
    "name": "expat",
    "version": "2.2.8",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": false,
    "next_non_vulnerable_version": "2.4.9",
    "latest_non_vulnerable_version": "2.5.0",
    "affected_by_vulnerabilities": [],
    "fixing_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/10808?format=api",
            "vulnerability_id": "VCID-naf7-p1jf-z3ds",
            "summary": "Improper Restriction of XML External Entity Reference\n`libexpat` in Expat, XML input including XML names that contain many colons could make the XML parser consume a high amount of RAM and CPU resources while processing, leading to a possible denial-of-service attack.",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-20843.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-2018-20843.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2018-20843",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.05584",
                            "scoring_system": "epss",
                            "scoring_elements": "0.90302",
                            "published_at": "2026-04-13T12:55:00Z"
                        },
                        {
                            "value": "0.05584",
                            "scoring_system": "epss",
                            "scoring_elements": "0.90301",
                            "published_at": "2026-04-09T12:55:00Z"
                        },
                        {
                            "value": "0.05584",
                            "scoring_system": "epss",
                            "scoring_elements": "0.90316",
                            "published_at": "2026-04-21T12:55:00Z"
                        },
                        {
                            "value": "0.05584",
                            "scoring_system": "epss",
                            "scoring_elements": "0.90318",
                            "published_at": "2026-04-18T12:55:00Z"
                        },
                        {
                            "value": "0.05584",
                            "scoring_system": "epss",
                            "scoring_elements": "0.90308",
                            "published_at": "2026-04-12T12:55:00Z"
                        },
                        {
                            "value": "0.05584",
                            "scoring_system": "epss",
                            "scoring_elements": "0.90309",
                            "published_at": "2026-04-11T12:55:00Z"
                        },
                        {
                            "value": "0.05686",
                            "scoring_system": "epss",
                            "scoring_elements": "0.90361",
                            "published_at": "2026-04-02T12:55:00Z"
                        },
                        {
                            "value": "0.05686",
                            "scoring_system": "epss",
                            "scoring_elements": "0.90392",
                            "published_at": "2026-04-08T12:55:00Z"
                        },
                        {
                            "value": "0.05686",
                            "scoring_system": "epss",
                            "scoring_elements": "0.90378",
                            "published_at": "2026-04-07T12:55:00Z"
                        },
                        {
                            "value": "0.05686",
                            "scoring_system": "epss",
                            "scoring_elements": "0.90374",
                            "published_at": "2026-04-04T12:55:00Z"
                        },
                        {
                            "value": "0.05686",
                            "scoring_system": "epss",
                            "scoring_elements": "0.90359",
                            "published_at": "2026-04-01T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2018-20843"
                },
                {
                    "reference_url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226",
                    "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": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
                    ],
                    "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5226"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20843",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20843"
                },
                {
                    "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "5.3",
                            "scoring_system": "cvssv3",
                            "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
                        }
                    ],
                    "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"
                },
                {
                    "reference_url": "https://github.com/libexpat/libexpat/issues/186",
                    "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": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
                    ],
                    "url": "https://github.com/libexpat/libexpat/issues/186"
                },
                {
                    "reference_url": "https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6",
                    "reference_id": "11f8838bf99ea0a6f0b76f9760c43704d00c4ff6",
                    "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": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
                    ],
                    "url": "https://github.com/libexpat/libexpat/pull/262/commits/11f8838bf99ea0a6f0b76f9760c43704d00c4ff6"
                },
                {
                    "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1723723",
                    "reference_id": "1723723",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1723723"
                },
                {
                    "reference_url": "https://github.com/libexpat/libexpat/pull/262",
                    "reference_id": "262",
                    "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": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
                    ],
                    "url": "https://github.com/libexpat/libexpat/pull/262"
                },
                {
                    "reference_url": "https://seclists.org/bugtraq/2019/Jun/39",
                    "reference_id": "39",
                    "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": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
                    ],
                    "url": "https://seclists.org/bugtraq/2019/Jun/39"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=931031",
                    "reference_id": "931031",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=931031"
                },
                {
                    "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD/",
                    "reference_id": "CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD",
                    "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": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CEJJSQSG3KSUQY4FPVHZ7ZTT7FORMFVD/"
                },
                {
                    "reference_url": "https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes",
                    "reference_id": "Changes",
                    "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": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
                    ],
                    "url": "https://github.com/libexpat/libexpat/blob/R_2_2_7/expat/Changes"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2018-20843",
                    "reference_id": "CVE-2018-20843",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-20843"
                },
                {
                    "reference_url": "https://www.debian.org/security/2019/dsa-4472",
                    "reference_id": "dsa-4472",
                    "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": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
                    ],
                    "url": "https://www.debian.org/security/2019/dsa-4472"
                },
                {
                    "reference_url": "https://security.gentoo.org/glsa/201911-08",
                    "reference_id": "GLSA-201911-08",
                    "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": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
                    ],
                    "url": "https://security.gentoo.org/glsa/201911-08"
                },
                {
                    "reference_url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK/",
                    "reference_id": "IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK",
                    "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": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
                    ],
                    "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IDAUGEB3TUP6NEKJDBUBZX7N5OAUOOOK/"
                },
                {
                    "reference_url": "https://support.f5.com/csp/article/K51011533",
                    "reference_id": "K51011533",
                    "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": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
                    ],
                    "url": "https://support.f5.com/csp/article/K51011533"
                },
                {
                    "reference_url": "https://lists.debian.org/debian-lts-announce/2019/06/msg00028.html",
                    "reference_id": "msg00028.html",
                    "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": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
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                    "url": "https://lists.debian.org/debian-lts-announce/2019/06/msg00028.html"
                },
                {
                    "reference_url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00039.html",
                    "reference_id": "msg00039.html",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3.1",
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                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
                    ],
                    "url": "http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00039.html"
                },
                {
                    "reference_url": "https://security.netapp.com/advisory/ntap-20190703-0001/",
                    "reference_id": "ntap-20190703-0001",
                    "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": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
                    ],
                    "url": "https://security.netapp.com/advisory/ntap-20190703-0001/"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2020:2644",
                    "reference_id": "RHSA-2020:2644",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2020:2644"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2020:2646",
                    "reference_id": "RHSA-2020:2646",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2020:2646"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2020:3952",
                    "reference_id": "RHSA-2020:3952",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2020:3952"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2020:4484",
                    "reference_id": "RHSA-2020:4484",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2020:4484"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2020:4846",
                    "reference_id": "RHSA-2020:4846",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2020:4846"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:0949",
                    "reference_id": "RHSA-2021:0949",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:0949"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2025:22871",
                    "reference_id": "RHSA-2025:22871",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2025:22871"
                },
                {
                    "reference_url": "https://usn.ubuntu.com/4040-1/",
                    "reference_id": "USN-4040-1",
                    "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": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
                    ],
                    "url": "https://usn.ubuntu.com/4040-1/"
                },
                {
                    "reference_url": "https://usn.ubuntu.com/4040-2/",
                    "reference_id": "USN-4040-2",
                    "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": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-05-30T19:37:31Z/"
                        }
                    ],
                    "url": "https://usn.ubuntu.com/4040-2/"
                },
                {
                    "reference_url": "https://usn.ubuntu.com/7199-1/",
                    "reference_id": "USN-7199-1",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://usn.ubuntu.com/7199-1/"
                },
                {
                    "reference_url": "https://usn.ubuntu.com/USN-4852-1/",
                    "reference_id": "USN-USN-4852-1",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://usn.ubuntu.com/USN-4852-1/"
                },
                {
                    "reference_url": "https://usn.ubuntu.com/USN-5455-1/",
                    "reference_id": "USN-USN-5455-1",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://usn.ubuntu.com/USN-5455-1/"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/75568?format=api",
                    "purl": "pkg:ebuild/dev-libs/expat@2.2.8",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:ebuild/dev-libs/expat@2.2.8"
                }
            ],
            "aliases": [
                "CVE-2018-20843"
            ],
            "risk_score": 3.4,
            "exploitability": "0.5",
            "weighted_severity": "6.8",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-naf7-p1jf-z3ds"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/40854?format=api",
            "vulnerability_id": "VCID-nmh4-zpeh-4bcr",
            "summary": "Multiple vulnerabilities have been found in Expat, the worst of\n    which could result in a Denial of Service condition.",
            "references": [
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