Lookup for vulnerable packages by Package URL.

GET /api/packages/52726?format=api
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{
    "url": "http://public2.vulnerablecode.io/api/packages/52726?format=api",
    "purl": "pkg:composer/symfony/security@3.0.6",
    "type": "composer",
    "namespace": "symfony",
    "name": "security",
    "version": "3.0.6",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": false,
    "next_non_vulnerable_version": "3.2.12",
    "latest_non_vulnerable_version": "5.3.12",
    "affected_by_vulnerabilities": [],
    "fixing_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/38473?format=api",
            "vulnerability_id": "VCID-14k5-2gnt-8qgd",
            "summary": "Unauthorized access on a misconfigured LDAP server\nThere's a flaw in `LdapBindAuthenticationProvider` that allows for an unauthorized access on a misconfigured LDAP server when using an empty password. Applications are affected only if they use the LDAP authentication provider.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2016-2403",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00154",
                            "scoring_system": "epss",
                            "scoring_elements": "0.35769",
                            "published_at": "2026-06-04T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2016-2403"
                },
                {
                    "reference_url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-core/CVE-2016-2403.yaml",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "9.8",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-core/CVE-2016-2403.yaml"
                },
                {
                    "reference_url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security/CVE-2016-2403.yaml",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "9.8",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security/CVE-2016-2403.yaml"
                },
                {
                    "reference_url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2016-2403.yaml",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "9.8",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2016-2403.yaml"
                },
                {
                    "reference_url": "https://github.com/symfony/symfony/pull/18736",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://github.com/symfony/symfony/pull/18736"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2016-2403",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "9.8",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2016-2403"
                },
                {
                    "reference_url": "https://web.archive.org/web/20210123224944/http://www.securityfocus.com/bid/96137",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "9.8",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://web.archive.org/web/20210123224944/http://www.securityfocus.com/bid/96137"
                },
                {
                    "reference_url": "https://www.debian.org/security/2018/dsa-4262",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "9.8",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://www.debian.org/security/2018/dsa-4262"
                },
                {
                    "reference_url": "https://symfony.com/cve-2016-2403",
                    "reference_id": "CVE-2016-2403",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "9.8",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://symfony.com/cve-2016-2403"
                },
                {
                    "reference_url": "http://symfony.com/blog/cve-2016-2403-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password",
                    "reference_id": "CVE-2016-2403-UNAUTHORIZED-ACCESS-ON-A-MISCONFIGURED-LDAP-SERVER-WHEN-USING-AN-EMPTY-PASSWORD",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "9.8",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
                        },
                        {
                            "value": "CRITICAL",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "http://symfony.com/blog/cve-2016-2403-unauthorized-access-on-a-misconfigured-ldap-server-when-using-an-empty-password"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/52725?format=api",
                    "purl": "pkg:composer/symfony/security@2.8.6",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/symfony/security@2.8.6"
                },
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/52726?format=api",
                    "purl": "pkg:composer/symfony/security@3.0.6",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/symfony/security@3.0.6"
                }
            ],
            "aliases": [
                "CVE-2016-2403",
                "GHSA-wvj5-r78r-hhfq"
            ],
            "risk_score": 4.5,
            "exploitability": "0.5",
            "weighted_severity": "9.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-14k5-2gnt-8qgd"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/38131?format=api",
            "vulnerability_id": "VCID-x4nv-gvag-7qf2",
            "summary": "CVE-2016-4423: Large username storage in session\nThe attemptAuthentication function in `Component/Security/Http/Firewall/UsernamePasswordFormAuthenticationListener.php` does not limit the length of a username stored in a session, which allows remote attackers to cause a denial of service (session storage consumption) via a series of authentication attempts with long, non-existent usernames.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2016-4423",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.01435",
                            "scoring_system": "epss",
                            "scoring_elements": "0.81034",
                            "published_at": "2026-06-04T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2016-4423"
                },
                {
                    "reference_url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security/CVE-2016-4423.yaml",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/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://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security/CVE-2016-4423.yaml"
                },
                {
                    "reference_url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-http/CVE-2016-4423.yaml",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/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://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/security-http/CVE-2016-4423.yaml"
                },
                {
                    "reference_url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2016-4423.yaml",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/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://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2016-4423.yaml"
                },
                {
                    "reference_url": "https://github.com/symfony/symfony",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/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://github.com/symfony/symfony"
                },
                {
                    "reference_url": "https://github.com/symfony/symfony/pull/18733",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/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://github.com/symfony/symfony/pull/18733"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2016-4423",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/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-2016-4423"
                },
                {
                    "reference_url": "https://symfony.com/blog/cve-2016-4423-large-username-storage-in-session",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/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://symfony.com/blog/cve-2016-4423-large-username-storage-in-session"
                },
                {
                    "reference_url": "http://www.debian.org/security/2016/dsa-3588",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/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": "http://www.debian.org/security/2016/dsa-3588"
                },
                {
                    "reference_url": "https://symfony.com/cve-2016-4423",
                    "reference_id": "CVE-2016-4423",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "7.5",
                            "scoring_system": "cvssv3.1",
                            "scoring_elements": "CVSS:3.0/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://symfony.com/cve-2016-4423"
                },
                {
                    "reference_url": "http://symfony.com/blog/cve-2016-4423-large-username-storage-in-session",
                    "reference_id": "CVE-2016-4423-LARGE-USERNAME-STORAGE-IN-SESSION",
                    "reference_type": "",
                    "scores": [],
                    "url": "http://symfony.com/blog/cve-2016-4423-large-username-storage-in-session"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/52724?format=api",
                    "purl": "pkg:composer/symfony/security@2.3.41",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/symfony/security@2.3.41"
                },
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/155070?format=api",
                    "purl": "pkg:composer/symfony/security@2.7.13",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/symfony/security@2.7.13"
                },
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/52725?format=api",
                    "purl": "pkg:composer/symfony/security@2.8.6",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/symfony/security@2.8.6"
                },
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/52726?format=api",
                    "purl": "pkg:composer/symfony/security@3.0.6",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/symfony/security@3.0.6"
                }
            ],
            "aliases": [
                "CVE-2016-4423",
                "GHSA-whgv-8cg3-7hcm"
            ],
            "risk_score": 4.0,
            "exploitability": "0.5",
            "weighted_severity": "8.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-x4nv-gvag-7qf2"
        }
    ],
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:composer/symfony/security@3.0.6"
}