Vulnerability Instance

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{
    "url": "http://public2.vulnerablecode.io/api/vulnerabilities/199892?format=api",
    "vulnerability_id": "VCID-1gb3-dq6f-kuea",
    "summary": "vsftpd before 1.2.2, when under heavy load, allows attackers to cause a denial of service (crash) via a SIGCHLD signal during a malloc or free call, which is not re-entrant.",
    "aliases": [
        {
            "alias": "CVE-2004-2259"
        }
    ],
    "fixed_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/106940?format=api",
            "purl": "pkg:deb/debian/vsftpd@2.0.1-1?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@2.0.1-1%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/1080000?format=api",
            "purl": "pkg:deb/debian/vsftpd@2.0.3-1",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-2ahs-8buu-e7eb"
                },
                {
                    "vulnerability": "VCID-t7tf-z3dt-nyd5"
                },
                {
                    "vulnerability": "VCID-ue7m-kah5-nuee"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@2.0.3-1"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/106937?format=api",
            "purl": "pkg:deb/debian/vsftpd@3.0.3-12?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-t3yw-8rhv-jyer"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.3-12%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/106935?format=api",
            "purl": "pkg:deb/debian/vsftpd@3.0.3-13?distro=trixie",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-t3yw-8rhv-jyer"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.3-13%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/106939?format=api",
            "purl": "pkg:deb/debian/vsftpd@3.0.5-0.2?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.5-0.2%3Fdistro=trixie"
        },
        {
            "url": "http://public2.vulnerablecode.io/api/packages/106938?format=api",
            "purl": "pkg:deb/debian/vsftpd@3.0.5-0.7?distro=trixie",
            "is_vulnerable": false,
            "affected_by_vulnerabilities": [],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@3.0.5-0.7%3Fdistro=trixie"
        }
    ],
    "affected_packages": [
        {
            "url": "http://public2.vulnerablecode.io/api/packages/1079999?format=api",
            "purl": "pkg:deb/debian/vsftpd@1.0.0-2",
            "is_vulnerable": true,
            "affected_by_vulnerabilities": [
                {
                    "vulnerability": "VCID-1gb3-dq6f-kuea"
                },
                {
                    "vulnerability": "VCID-2ahs-8buu-e7eb"
                },
                {
                    "vulnerability": "VCID-spsu-fe6u-nqfz"
                },
                {
                    "vulnerability": "VCID-t7tf-z3dt-nyd5"
                },
                {
                    "vulnerability": "VCID-ue7m-kah5-nuee"
                }
            ],
            "resource_url": "http://public2.vulnerablecode.io/packages/pkg:deb/debian/vsftpd@1.0.0-2"
        }
    ],
    "references": [
        {
            "reference_url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2004-2259.json",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2004-2259.json"
        },
        {
            "reference_url": "https://api.first.org/data/v1/epss?cve=CVE-2004-2259",
            "reference_id": "",
            "reference_type": "",
            "scores": [
                {
                    "value": "0.01911",
                    "scoring_system": "epss",
                    "scoring_elements": "0.83688",
                    "published_at": "2026-06-11T12:55:00Z"
                },
                {
                    "value": "0.01911",
                    "scoring_system": "epss",
                    "scoring_elements": "0.83746",
                    "published_at": "2026-06-12T12:55:00Z"
                },
                {
                    "value": "0.01911",
                    "scoring_system": "epss",
                    "scoring_elements": "0.83755",
                    "published_at": "2026-06-13T12:55:00Z"
                },
                {
                    "value": "0.01911",
                    "scoring_system": "epss",
                    "scoring_elements": "0.83752",
                    "published_at": "2026-06-14T12:55:00Z"
                }
            ],
            "url": "https://api.first.org/data/v1/epss?cve=CVE-2004-2259"
        },
        {
            "reference_url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-2259",
            "reference_id": "",
            "reference_type": "",
            "scores": [],
            "url": "https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2004-2259"
        },
        {
            "reference_url": "https://bugzilla.redhat.com/show_bug.cgi?id=1617423",
            "reference_id": "1617423",
            "reference_type": "",
            "scores": [],
            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1617423"
        }
    ],
    "weaknesses": [],
    "exploits": [],
    "severity_range_score": null,
    "exploitability": "0.5",
    "weighted_severity": "0.0",
    "risk_score": null,
    "resource_url": "http://public2.vulnerablecode.io/vulnerabilities/VCID-1gb3-dq6f-kuea"
}