Lookup for vulnerable packages by Package URL.

GET /api/packages/68853?format=api
HTTP 200 OK
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Content-Type: application/json
Vary: Accept

{
    "url": "http://public2.vulnerablecode.io/api/packages/68853?format=api",
    "purl": "pkg:maven/io.undertow/undertow-core@2.2.38.Final",
    "type": "maven",
    "namespace": "io.undertow",
    "name": "undertow-core",
    "version": "2.2.38.Final",
    "qualifiers": {},
    "subpath": "",
    "is_vulnerable": true,
    "next_non_vulnerable_version": "2.3.20.Final",
    "latest_non_vulnerable_version": "2.4.0.Beta1",
    "affected_by_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/20196?format=api",
            "vulnerability_id": "VCID-5585-a76n-zubf",
            "summary": "Allocation of Resources Without Limits or Throttling\nA flaw was found in Undertow. When an AJP request is sent that exceeds the max-header-size attribute in ajp-listener, JBoss EAP is marked in an error state by mod_cluster in httpd, causing JBoss EAP to close the TCP connection without returning an AJP response. This happens because mod_proxy_cluster marks the JBoss EAP instance as an error worker when the TCP connection is closed from the backend after sending the AJP request without receiving an AJP response, and stops forwarding. This issue could allow a malicious user could to repeatedly send requests that exceed the max-header-size, causing a Denial of Service (DoS).",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2023:4509",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://access.redhat.com/errata/RHSA-2023:4509"
                },
                {
                    "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-5379.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:H/I:N/A:N"
                        }
                    ],
                    "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2023-5379.json"
                },
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2023-5379",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00139",
                            "scoring_system": "epss",
                            "scoring_elements": "0.34005",
                            "published_at": "2026-04-13T12:55:00Z"
                        },
                        {
                            "value": "0.00139",
                            "scoring_system": "epss",
                            "scoring_elements": "0.34108",
                            "published_at": "2026-04-02T12:55:00Z"
                        },
                        {
                            "value": "0.00139",
                            "scoring_system": "epss",
                            "scoring_elements": "0.34071",
                            "published_at": "2026-04-11T12:55:00Z"
                        },
                        {
                            "value": "0.00139",
                            "scoring_system": "epss",
                            "scoring_elements": "0.34028",
                            "published_at": "2026-04-12T12:55:00Z"
                        },
                        {
                            "value": "0.00139",
                            "scoring_system": "epss",
                            "scoring_elements": "0.34139",
                            "published_at": "2026-04-04T12:55:00Z"
                        },
                        {
                            "value": "0.00139",
                            "scoring_system": "epss",
                            "scoring_elements": "0.33999",
                            "published_at": "2026-04-07T12:55:00Z"
                        },
                        {
                            "value": "0.00139",
                            "scoring_system": "epss",
                            "scoring_elements": "0.34042",
                            "published_at": "2026-04-08T12:55:00Z"
                        },
                        {
                            "value": "0.00139",
                            "scoring_system": "epss",
                            "scoring_elements": "0.34073",
                            "published_at": "2026-04-09T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2023-5379"
                },
                {
                    "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=2242099",
                    "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:H/I:N/A:N"
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2023-12-18T21:09:22Z/"
                        }
                    ],
                    "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2242099"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059055",
                    "reference_id": "1059055",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1059055"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_data_grid:7",
                    "reference_id": "cpe:/a:redhat:jboss_data_grid:7",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_data_grid:7"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_data_grid:8",
                    "reference_id": "cpe:/a:redhat:jboss_data_grid:8",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_data_grid:8"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_enterprise_application_platform:7",
                    "reference_id": "cpe:/a:redhat:jboss_enterprise_application_platform:7",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_enterprise_application_platform:7"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_enterprise_application_platform_eus:7.1::el7",
                    "reference_id": "cpe:/a:redhat:jboss_enterprise_application_platform_eus:7.1::el7",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_enterprise_application_platform_eus:7.1::el7"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_enterprise_application_platform_eus:7.3::el7",
                    "reference_id": "cpe:/a:redhat:jboss_enterprise_application_platform_eus:7.3::el7",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_enterprise_application_platform_eus:7.3::el7"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_enterprise_bpms_platform:7",
                    "reference_id": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_enterprise_bpms_platform:7"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_enterprise_brms_platform:7",
                    "reference_id": "cpe:/a:redhat:jboss_enterprise_brms_platform:7",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_enterprise_brms_platform:7"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_fuse:6",
                    "reference_id": "cpe:/a:redhat:jboss_fuse:6",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_fuse:6"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_fuse:7",
                    "reference_id": "cpe:/a:redhat:jboss_fuse:7",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:jboss_fuse:7"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openshift_application_runtimes:1.0",
                    "reference_id": "cpe:/a:redhat:openshift_application_runtimes:1.0",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:openshift_application_runtimes:1.0"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:quarkus:2",
                    "reference_id": "cpe:/a:redhat:quarkus:2",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:quarkus:2"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:red_hat_single_sign_on:7",
                    "reference_id": "cpe:/a:redhat:red_hat_single_sign_on:7",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/a:redhat:red_hat_single_sign_on:7"
                },
                {
                    "reference_url": "https://access.redhat.com/security/cve/CVE-2023-5379",
                    "reference_id": "CVE-2023-5379",
                    "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:H/I:N/A:N"
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2023-12-18T21:09:22Z/"
                        }
                    ],
                    "url": "https://access.redhat.com/security/cve/CVE-2023-5379"
                },
                {
                    "reference_url": "https://nvd.nist.gov/vuln/detail/CVE-2023-5379",
                    "reference_id": "CVE-2023-5379",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-5379"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/57012?format=api",
                    "purl": "pkg:maven/io.undertow/undertow-core@2.3.11.Final",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-1vrj-chs2-d3ab"
                        },
                        {
                            "vulnerability": "VCID-2cv5-9v62-kfbm"
                        },
                        {
                            "vulnerability": "VCID-ns3p-22xg-q3bz"
                        },
                        {
                            "vulnerability": "VCID-xme8-usmd-vqg3"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/io.undertow/undertow-core@2.3.11.Final"
                }
            ],
            "aliases": [
                "CVE-2023-5379"
            ],
            "risk_score": 3.4,
            "exploitability": "0.5",
            "weighted_severity": "6.8",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-5585-a76n-zubf"
        }
    ],
    "fixing_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/25609?format=api",
            "vulnerability_id": "VCID-ns3p-22xg-q3bz",
            "summary": "Undertow MadeYouReset HTTP/2 DDoS Vulnerability\nA flaw was found in Undertow where malformed client requests can trigger server-side stream resets without triggering abuse counters. This issue, referred to as the \"MadeYouReset\" attack, allows malicious clients to induce excessive server workload by repeatedly causing server-side stream aborts. While not a protocol bug, this highlights a common implementation weakness that can be exploited to cause a denial of service (DoS).",
            "references": [
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2025:23143",
                    "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": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-09-02T13:55:22Z/"
                        }
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2025:23143"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:0383",
                    "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": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-09-02T13:55:22Z/"
                        }
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2026:0383"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:0384",
                    "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": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-09-02T13:55:22Z/"
                        }
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2026:0384"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:0386",
                    "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": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-09-02T13:55:22Z/"
                        }
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2026:0386"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:3889",
                    "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": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-09-02T13:55:22Z/"
                        }
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2026:3889"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:3891",
                    "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": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-09-02T13:55:22Z/"
                        }
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2026:3891"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:3892",
                    "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": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-09-02T13:55:22Z/"
                        }
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2026:3892"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:4915",
                    "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": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-09-02T13:55:22Z/"
                        }
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2026:4915"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:4916",
                    "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": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-09-02T13:55:22Z/"
                        }
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2026:4916"
                },
                {
                    "reference_url": "https://access.redhat.com/errata/RHSA-2026:4917",
                    "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": "HIGH",
                            "scoring_system": "generic_textual",
                            "scoring_elements": ""
                        },
                        {
                            "value": "Track",
                            "scoring_system": "ssvc",
                            "scoring_elements": "SSVCv2/E:N/A:Y/T:P/P:M/B:A/M:M/D:T/2025-09-02T13:55:22Z/"
                        }
                    ],
                    "url": "https://access.redhat.com/errata/RHSA-2026:4917"
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                    "url": "https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:/o:redhat:enterprise_linux:9"
                },
                {
                    "reference_url": "https://github.com/advisories/GHSA-95h4-w6j8-2rp8",
                    "reference_id": "GHSA-95h4-w6j8-2rp8",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "HIGH",
                            "scoring_system": "cvssv3.1_qr",
                            "scoring_elements": ""
                        }
                    ],
                    "url": "https://github.com/advisories/GHSA-95h4-w6j8-2rp8"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/68853?format=api",
                    "purl": "pkg:maven/io.undertow/undertow-core@2.2.38.Final",
                    "is_vulnerable": true,
                    "affected_by_vulnerabilities": [
                        {
                            "vulnerability": "VCID-5585-a76n-zubf"
                        }
                    ],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/io.undertow/undertow-core@2.2.38.Final"
                },
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/68854?format=api",
                    "purl": "pkg:maven/io.undertow/undertow-core@2.3.20.Final",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/io.undertow/undertow-core@2.3.20.Final"
                }
            ],
            "aliases": [
                "CVE-2025-9784",
                "GHSA-95h4-w6j8-2rp8"
            ],
            "risk_score": 4.0,
            "exploitability": "0.5",
            "weighted_severity": "8.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-ns3p-22xg-q3bz"
        }
    ],
    "risk_score": "3.4",
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:maven/io.undertow/undertow-core@2.2.38.Final"
}