GET

Package Instance

Lookup for vulnerable packages by Package URL.

GET /api/packages/1038255?format=api
HTTP 200 OK
Allow: GET, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/packages/1038255?format=api",
    "purl": "pkg:deb/debian/lz4@0.0~r131-2",
    "type": "deb",
    "namespace": "debian",
    "name": "lz4",
    "version": "0.0~r131-2",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": true,
    "next_non_vulnerable_version": "1.9.3-2",
    "latest_non_vulnerable_version": "1.9.3-2",
    "affected_by_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/56282?format=api",
            "vulnerability_id": "VCID-4gmw-eahs-2fg9",
            "summary": "A vulnerability has been discovered in LZ4, which can lead to memory corruption.",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3520.json",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.6",
                            "scoring_system": "cvssv3",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"
                        }
                    ],
                    "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2021-3520.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3520",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33539",
                            "published_at": "2026-04-01T12:55:00Z"
                        },
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33283",
                            "published_at": "2026-05-09T12:55:00Z"
                        },
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33369",
                            "published_at": "2026-04-26T12:55:00Z"
                        },
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33287",
                            "published_at": "2026-04-29T12:55:00Z"
                        },
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33176",
                            "published_at": "2026-05-05T12:55:00Z"
                        },
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33243",
                            "published_at": "2026-05-07T12:55:00Z"
                        },
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33691",
                            "published_at": "2026-04-02T12:55:00Z"
                        },
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33724",
                            "published_at": "2026-04-04T12:55:00Z"
                        },
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33562",
                            "published_at": "2026-04-07T12:55:00Z"
                        },
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33606",
                            "published_at": "2026-04-08T12:55:00Z"
                        },
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33639",
                            "published_at": "2026-04-09T12:55:00Z"
                        },
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33634",
                            "published_at": "2026-04-11T12:55:00Z"
                        },
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33592",
                            "published_at": "2026-04-12T12:55:00Z"
                        },
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.3357",
                            "published_at": "2026-04-13T12:55:00Z"
                        },
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33547",
                            "published_at": "2026-04-21T12:55:00Z"
                        },
                        {
                            "value": "0.00138",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33388",
                            "published_at": "2026-04-24T12:55:00Z"
                        },
                        {
                            "value": "0.00141",
                            "scoring_system": "epss",
                            "scoring_elements": "0.34261",
                            "published_at": "2026-04-18T12:55:00Z"
                        },
                        {
                            "value": "0.00141",
                            "scoring_system": "epss",
                            "scoring_elements": "0.34274",
                            "published_at": "2026-04-16T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2021-3520"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3520",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3520"
                },
                {
                    "reference_url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.6",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H"
                        }
                    ],
                    "url": "https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml"
                },
                {
                    "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1954559",
                    "reference_id": "1954559",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1954559"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=987856",
                    "reference_id": "987856",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=987856"
                },
                {
                    "reference_url": "https://security.archlinux.org/ASA-202105-27",
                    "reference_id": "ASA-202105-27",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://security.archlinux.org/ASA-202105-27"
                },
                {
                    "reference_url": "https://security.archlinux.org/AVG-1889",
                    "reference_id": "AVG-1889",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "Low",
                            "scoring_system": "archlinux",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://security.archlinux.org/AVG-1889"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3520",
                    "reference_id": "CVE-2021-3520",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-3520"
                },
                {
                    "reference_url": "https://security.gentoo.org/glsa/202406-04",
                    "reference_id": "GLSA-202406-04",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://security.gentoo.org/glsa/202406-04"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2021:2575",
                    "reference_id": "RHSA-2021:2575",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2021:2575"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2022:1345",
                    "reference_id": "RHSA-2022:1345",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2022:1345"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2022:5606",
                    "reference_id": "RHSA-2022:5606",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2022:5606"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2022:6407",
                    "reference_id": "RHSA-2022:6407",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2022:6407"
                },
                {
                    "reference_url": "https://usn.ubuntu.com/4968-1/",
                    "reference_id": "USN-4968-1",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://usn.ubuntu.com/4968-1/"
                },
                {
                    "reference_url": "https://usn.ubuntu.com/4968-2/",
                    "reference_id": "USN-4968-2",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://usn.ubuntu.com/4968-2/"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/1038256?format=api",
                    "purl": "pkg:deb/debian/lz4@1.8.3-1%2Bdeb10u1",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-4gmw-eahs-2fg9"
                        },
                        {
                            "vulnerability": "VCID-vb2b-utc4-2qgf"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/lz4@1.8.3-1%252Bdeb10u1"
                },
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/1050696?format=api",
                    "purl": "pkg:deb/debian/lz4@1.9.3-2",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/lz4@1.9.3-2"
                }
            ],
            "aliases": [
                "CVE-2021-3520"
            ],
            "risk_score": 3.9,
            "exploitability": "0.5",
            "weighted_severity": "7.7",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-4gmw-eahs-2fg9"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/82355?format=api",
            "vulnerability_id": "VCID-vb2b-utc4-2qgf",
            "summary": "lz4: heap-based buffer overflow in LZ4_write32",
            "references": [
                {
                    "reference_url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00069.html",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00069.html"
                },
                {
                    "reference_url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00070.html",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00070.html"
                },
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-17543.json",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "8.1",
                            "scoring_system": "cvssv3",
                            "scoring_elements": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
                        }
                    ],
                    "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-17543.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2019-17543",
                    "reference_id": "",
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                    "scores": [
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                            "value": "0.01442",
                            "scoring_system": "epss",
                            "scoring_elements": "0.80675",
                            "published_at": "2026-04-01T12:55:00Z"
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                    "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15941"
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}