Lookup for vulnerable packages by Package URL.

GET /api/packages/51212?format=api
HTTP 200 OK
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Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/packages/51212?format=api",
    "purl": "pkg:nuget/libxml2@1.5.0",
    "type": "nuget",
    "namespace": "",
    "name": "libxml2",
    "version": "1.5.0",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": true,
    "next_non_vulnerable_version": null,
    "latest_non_vulnerable_version": null,
    "affected_by_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/37415?format=api",
            "vulnerability_id": "VCID-jn88-q5mn-37gz",
            "summary": "Integer Overflow\nInteger overflow in xpath.c in libxml2, and libxml, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted XML file that triggers a heap-based buffer overflow when adding a new namespace node, related to handling of XPath expressions.",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-1944.json",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2011-1944.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2011-1944",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.23686",
                            "scoring_system": "epss",
                            "scoring_elements": "0.96094",
                            "published_at": "2026-06-04T12:55:00Z"
                        },
                        {
                            "value": "0.23686",
                            "scoring_system": "epss",
                            "scoring_elements": "0.96099",
                            "published_at": "2026-06-05T12:55:00Z"
                        },
                        {
                            "value": "0.23686",
                            "scoring_system": "epss",
                            "scoring_elements": "0.96102",
                            "published_at": "2026-06-06T12:55:00Z"
                        },
                        {
                            "value": "0.23686",
                            "scoring_system": "epss",
                            "scoring_elements": "0.96103",
                            "published_at": "2026-06-08T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2011-1944"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1944",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1944"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=628537",
                    "reference_id": "628537",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=628537"
                },
                {
                    "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=709747",
                    "reference_id": "709747",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=709747"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2011-1944",
                    "reference_id": "CVE-2011-1944",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2011-1944"
                },
                {
                    "reference_url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/35810.txt",
                    "reference_id": "CVE-2011-1944;OSVDB-73248",
                    "reference_type": "exploit",
                    "scores": [],
                    "url": "https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/linux/remote/35810.txt"
                },
                {
                    "reference_url": "https://www.securityfocus.com/bid/48056/info",
                    "reference_id": "CVE-2011-1944;OSVDB-73248",
                    "reference_type": "exploit",
                    "scores": [],
                    "url": "https://www.securityfocus.com/bid/48056/info"
                },
                {
                    "reference_url": "https://security.gentoo.org/glsa/201110-26",
                    "reference_id": "GLSA-201110-26",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://security.gentoo.org/glsa/201110-26"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2011:1749",
                    "reference_id": "RHSA-2011:1749",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2011:1749"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2012:0017",
                    "reference_id": "RHSA-2012:0017",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2012:0017"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2013:0217",
                    "reference_id": "RHSA-2013:0217",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2013:0217"
                },
                {
                    "reference_url": "https://usn.ubuntu.com/1153-1/",
                    "reference_id": "USN-1153-1",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://usn.ubuntu.com/1153-1/"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/51192?format=api",
                    "purl": "pkg:nuget/libxml2@2.7.8.2",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-1nax-e3jj-ryef"
                        },
                        {
                            "vulnerability": "VCID-1zr7-kx71-tkcr"
                        },
                        {
                            "vulnerability": "VCID-2wkc-xqzc-e3g2"
                        },
                        {
                            "vulnerability": "VCID-3ean-ys5t-bydz"
                        },
                        {
                            "vulnerability": "VCID-3s6k-9cgk-dfd6"
                        },
                        {
                            "vulnerability": "VCID-4sg9-pjmx-6kfy"
                        },
                        {
                            "vulnerability": "VCID-512y-x2fd-4uh5"
                        },
                        {
                            "vulnerability": "VCID-5g9a-2484-rucp"
                        },
                        {
                            "vulnerability": "VCID-5z25-mem7-hfcx"
                        },
                        {
                            "vulnerability": "VCID-6bw6-4huq-dqex"
                        },
                        {
                            "vulnerability": "VCID-6hc4-jdej-gkcp"
                        },
                        {
                            "vulnerability": "VCID-6t8y-27ba-cfa2"
                        },
                        {
                            "vulnerability": "VCID-81t2-tsq4-x7ce"
                        },
                        {
                            "vulnerability": "VCID-8719-hux3-fugq"
                        },
                        {
                            "vulnerability": "VCID-9m3t-anwb-4fbx"
                        },
                        {
                            "vulnerability": "VCID-9usm-m2ey-7qad"
                        },
                        {
                            "vulnerability": "VCID-a611-3sqz-bkac"
                        },
                        {
                            "vulnerability": "VCID-akrb-6bu8-nqfq"
                        },
                        {
                            "vulnerability": "VCID-anzu-y37j-dbc2"
                        },
                        {
                            "vulnerability": "VCID-bgcq-x9bd-83ap"
                        },
                        {
                            "vulnerability": "VCID-bksc-y3j7-ufek"
                        },
                        {
                            "vulnerability": "VCID-bwrv-burs-sqg6"
                        },
                        {
                            "vulnerability": "VCID-d39h-k44d-8kgx"
                        },
                        {
                            "vulnerability": "VCID-ds9f-6ppp-5fax"
                        },
                        {
                            "vulnerability": "VCID-e8w6-ax3x-wqan"
                        },
                        {
                            "vulnerability": "VCID-efx2-bpu9-z7a4"
                        },
                        {
                            "vulnerability": "VCID-egft-crba-6ubx"
                        },
                        {
                            "vulnerability": "VCID-ezzm-sgz4-xbaa"
                        },
                        {
                            "vulnerability": "VCID-f8q4-hk9r-6be4"
                        },
                        {
                            "vulnerability": "VCID-fn1n-adz5-5fcy"
                        },
                        {
                            "vulnerability": "VCID-frer-xevm-x7f7"
                        },
                        {
                            "vulnerability": "VCID-gfk4-86ze-3bdx"
                        },
                        {
                            "vulnerability": "VCID-j98t-paam-97ec"
                        },
                        {
                            "vulnerability": "VCID-kg69-mhxs-tkcx"
                        },
                        {
                            "vulnerability": "VCID-m8d1-5qex-huf8"
                        },
                        {
                            "vulnerability": "VCID-m91c-mfu9-bbbh"
                        },
                        {
                            "vulnerability": "VCID-ncxg-w6wk-bkb4"
                        },
                        {
                            "vulnerability": "VCID-pgfh-4snq-pbe6"
                        },
                        {
                            "vulnerability": "VCID-q1rm-fyhj-kbfu"
                        },
                        {
                            "vulnerability": "VCID-q736-5feg-q3h2"
                        },
                        {
                            "vulnerability": "VCID-qa31-1xtw-ybdg"
                        },
                        {
                            "vulnerability": "VCID-u795-5dzy-gkbs"
                        },
                        {
                            "vulnerability": "VCID-ueh5-fv4d-a7a8"
                        },
                        {
                            "vulnerability": "VCID-w156-x6fs-7baj"
                        },
                        {
                            "vulnerability": "VCID-y6zn-hwwh-23hp"
                        },
                        {
                            "vulnerability": "VCID-y76b-6hzr-uqgb"
                        },
                        {
                            "vulnerability": "VCID-yjn6-17qx-9ubc"
                        },
                        {
                            "vulnerability": "VCID-zezc-xfmm-cqcg"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:nuget/libxml2@2.7.8.2"
                }
            ],
            "aliases": [
                "CVE-2011-1944"
            ],
            "risk_score": 0.4,
            "exploitability": "2.0",
            "weighted_severity": "0.2",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-jn88-q5mn-37gz"
        }
    ],
    "fixing_vulnerabilities": [],
    "risk_score": "0.4",
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:nuget/libxml2@1.5.0"
}