Package Instance

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{
    "url": "http://public2.vulnerablecode.io/api/packages/214334?format=api",
    "purl": "pkg:apk/alpine/knot-resolver@4.1.0-r0?arch=x86&distroversion=v3.20&reponame=community",
    "type": "apk",
    "namespace": "alpine",
    "name": "knot-resolver",
    "version": "4.1.0-r0",
    "qualifiers": {
        "arch": "x86",
        "distroversion": "v3.20",
        "reponame": "community"
    },
    "subpath": "",
    "is_vulnerable": false,
    "next_non_vulnerable_version": "4.3.0-r0",
    "latest_non_vulnerable_version": "5.7.1-r0",
    "affected_by_vulnerabilities": [],
    "fixing_vulnerabilities": [
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/206590?format=api",
            "vulnerability_id": "VCID-a2n7-dkca-nkgc",
            "summary": "A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2019-10191",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
                        {
                            "value": "0.00262",
                            "scoring_system": "epss",
                            "scoring_elements": "0.49912",
                            "published_at": "2026-06-11T12:55:00Z"
                        },
                        {
                            "value": "0.00262",
                            "scoring_system": "epss",
                            "scoring_elements": "0.50047",
                            "published_at": "2026-06-12T12:55:00Z"
                        }
                    ],
                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2019-10191"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10191",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10191"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=932048",
                    "reference_id": "932048",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=932048"
                },
                {
                    "reference_url": "https://usn.ubuntu.com/7047-1/",
                    "reference_id": "USN-7047-1",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://usn.ubuntu.com/7047-1/"
                }
            ],
            "fixed_packages": [
                {
                    "url": "http://public2.vulnerablecode.io/api/packages/214334?format=api",
                    "purl": "pkg:apk/alpine/knot-resolver@4.1.0-r0?arch=x86&distroversion=v3.20&reponame=community",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/knot-resolver@4.1.0-r0%3Farch=x86&distroversion=v3.20&reponame=community"
                }
            ],
            "aliases": [
                "CVE-2019-10191"
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            "risk_score": null,
            "exploitability": "0.5",
            "weighted_severity": "0.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-a2n7-dkca-nkgc"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/vulnerabilities/206589?format=api",
            "vulnerability_id": "VCID-p4c3-86jj-wuhg",
            "summary": "A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of sending a SERVFAIL packet. Caching is not affected by this particular bug but see CVE-2019-10191.",
            "references": [
                {
                    "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2019-10190",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [
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                            "value": "0.00257",
                            "scoring_system": "epss",
                            "scoring_elements": "0.49345",
                            "published_at": "2026-06-11T12:55:00Z"
                        },
                        {
                            "value": "0.00257",
                            "scoring_system": "epss",
                            "scoring_elements": "0.49482",
                            "published_at": "2026-06-12T12:55:00Z"
                        }
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                    "url": "https://api.first.org/data/v1/epss?cve=CVE-2019-10190"
                },
                {
                    "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10190",
                    "reference_id": "",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-10190"
                },
                {
                    "reference_url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=932048",
                    "reference_id": "932048",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=932048"
                },
                {
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                    "reference_id": "USN-7047-1",
                    "reference_type": "",
                    "scores": [],
                    "url": "https://usn.ubuntu.com/7047-1/"
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            "fixed_packages": [
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                    "url": "http://public2.vulnerablecode.io/api/packages/214334?format=api",
                    "purl": "pkg:apk/alpine/knot-resolver@4.1.0-r0?arch=x86&distroversion=v3.20&reponame=community",
                    "is_vulnerable": false,
                    "affected_by_vulnerabilities": [],
                    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/knot-resolver@4.1.0-r0%3Farch=x86&distroversion=v3.20&reponame=community"
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            "aliases": [
                "CVE-2019-10190"
            ],
            "risk_score": null,
            "exploitability": "0.5",
            "weighted_severity": "0.0",
            "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-p4c3-86jj-wuhg"
        }
    ],
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/packages/pkg:apk/alpine/knot-resolver@4.1.0-r0%3Farch=x86&distroversion=v3.20&reponame=community"
}