Lookup for vulnerable packages by Package URL.

GET /api/packages/524628?format=api
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{
    "url": "http://public2.vulnerablecode.io/api/packages/524628?format=api",
    "purl": "pkg:deb/debian/nas@1.9.4-3",
    "type": "deb",
    "namespace": "debian",
    "name": "nas",
    "version": "1.9.4-3",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": false,
    "next_non_vulnerable_version": null,
    "latest_non_vulnerable_version": null,
    "affected_by_vulnerabilities": [],
    "fixing_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/94364?format=api",
            "vulnerability_id": "VCID-pz7w-mwwk-3qb9",
            "summary": "Multiple stack-based and heap-based buffer overflows in Network Audio System (NAS) 1.9.3 allow local users to cause a denial of service (crash) or possibly execute arbitrary code via the (1) display command argument to the ProcessCommandLine function in server/os/utils.c; (2) ResetHosts function in server/os/access.c; (3) open_unix_socket, (4) open_isc_local, (5) open_xsight_local, (6) open_att_local, or (7) open_att_svr4_local function in server/os/connection.c; the (8) AUDIOHOST environment variable to the CreateWellKnownSockets or (9) AmoebaTCPConnectorThread function in server/os/connection.c; or (10) unspecified vectors related to logging in the osLogMsg function in server/os/aulog.c.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2013-4256",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00151",
                            "scoring_system": "epss",
                            "scoring_elements": "0.3535",
                            "published_at": "2026-06-04T12:55:00Z"
                        },
                        {
                            "value": "0.00151",
                            "scoring_system": "epss",
                            "scoring_elements": "0.35446",
                            "published_at": "2026-06-05T12:55:00Z"
                        },
                        {
                            "value": "0.00151",
                            "scoring_system": "epss",
                            "scoring_elements": "0.35457",
                            "published_at": "2026-06-06T12:55:00Z"
                        },
                        {
                            "value": "0.00151",
                            "scoring_system": "epss",
                            "scoring_elements": "0.35421",
                            "published_at": "2026-06-07T12:55:00Z"
                        },
                        {
                            "value": "0.00151",
                            "scoring_system": "epss",
                            "scoring_elements": "0.3538",
                            "published_at": "2026-06-08T12:55:00Z"
                        },
                        {
                            "value": "0.00151",
                            "scoring_system": "epss",
                            "scoring_elements": "0.35397",
                            "published_at": "2026-06-09T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2013-4256"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4256",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4256"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4258",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4258"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=720287",
                    "reference_id": "720287",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=720287"
                },
                {
                    "reference_url": "https://security.gentoo.org/glsa/201406-22",
                    "reference_id": "GLSA-201406-22",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://security.gentoo.org/glsa/201406-22"
                },
                {
                    "reference_url": "https://usn.ubuntu.com/1986-1/",
                    "reference_id": "USN-1986-1",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://usn.ubuntu.com/1986-1/"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/239102?format=api",
                    "purl": "pkg:deb/debian/nas@1.9.3-5wheezy1",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-pz7w-mwwk-3qb9"
                        },
                        {
                            "vulnerability": "VCID-xu28-a5az-n7ez"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/nas@1.9.3-5wheezy1"
                },
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/524628?format=api",
                    "purl": "pkg:deb/debian/nas@1.9.4-3",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/nas@1.9.4-3"
                }
            ],
            "aliases": [
                "CVE-2013-4256"
            ],
            "risk_score": null,
            "exploitability": "0.5",
            "weighted_severity": "0.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-pz7w-mwwk-3qb9"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/94365?format=api",
            "vulnerability_id": "VCID-xu28-a5az-n7ez",
            "summary": "Format string vulnerability in the osLogMsg function in server/os/aulog.c in Network Audio System (NAS) 1.9.3 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers in unspecified vectors, related to syslog.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2013-4258",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.01226",
                            "scoring_system": "epss",
                            "scoring_elements": "0.79473",
                            "published_at": "2026-06-04T12:55:00Z"
                        },
                        {
                            "value": "0.01226",
                            "scoring_system": "epss",
                            "scoring_elements": "0.795",
                            "published_at": "2026-06-05T12:55:00Z"
                        },
                        {
                            "value": "0.01226",
                            "scoring_system": "epss",
                            "scoring_elements": "0.79506",
                            "published_at": "2026-06-06T12:55:00Z"
                        },
                        {
                            "value": "0.01226",
                            "scoring_system": "epss",
                            "scoring_elements": "0.79499",
                            "published_at": "2026-06-07T12:55:00Z"
                        },
                        {
                            "value": "0.01226",
                            "scoring_system": "epss",
                            "scoring_elements": "0.79489",
                            "published_at": "2026-06-08T12:55:00Z"
                        },
                        {
                            "value": "0.01226",
                            "scoring_system": "epss",
                            "scoring_elements": "0.79507",
                            "published_at": "2026-06-09T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2013-4258"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4256",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4256"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4258",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4258"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=720287",
                    "reference_id": "720287",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=720287"
                },
                {
                    "reference_url": "https://security.gentoo.org/glsa/201406-22",
                    "reference_id": "GLSA-201406-22",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://security.gentoo.org/glsa/201406-22"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/239102?format=api",
                    "purl": "pkg:deb/debian/nas@1.9.3-5wheezy1",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-pz7w-mwwk-3qb9"
                        },
                        {
                            "vulnerability": "VCID-xu28-a5az-n7ez"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/nas@1.9.3-5wheezy1"
                },
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/524628?format=api",
                    "purl": "pkg:deb/debian/nas@1.9.4-3",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/nas@1.9.4-3"
                }
            ],
            "aliases": [
                "CVE-2013-4258"
            ],
            "risk_score": null,
            "exploitability": "0.5",
            "weighted_severity": "0.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-xu28-a5az-n7ez"
        }
    ],
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/nas@1.9.4-3"
}